47:"/_next/static/chunks/2g8w-80ml0qgh.js" 48:"/_next/static/chunks/0iv56yrji_20j.js" 49:"/_next/static/chunks/26v-2o8eqscfn.js" 4a:"/_next/static/chunks/0lc44eilyyvky.js" 4b:"/_next/static/chunks/1jl6tco-uuy-j.js" 4c:"/_next/static/chunks/1ot1rbfa0d_n4.js" 4d:"/_next/static/chunks/3n7h0f3nk8y8p.js" 4e:"/_next/static/chunks/3k2gyg36fnag_.js" 4f:"/_next/static/chunks/3m0r7x0jt5wm7.js" 50:"/_next/static/chunks/2fohwszm1xz1m.js" 51:"/_next/static/chunks/3bgoyiso1rhn7.js" 52:"/_next/static/chunks/19bc9syhv3w28.js" 53:"/_next/static/chunks/0wa9m1-tphf9u.js" 54:"/_next/static/chunks/0m2d8jznc9t02.js" 55:"/_next/static/chunks/1xu72k8i0p_ma.js" 56:"/_next/static/chunks/2a1rt036gjwtj.js" 57:"/_next/static/chunks/1s05-oinjbm85.js" 58:"/_next/static/chunks/20k3408cq3fwt.js" 59:"/_next/static/chunks/1_lo_qve3gu86.js" 5a:"/_next/static/chunks/3di53f0fz7pw_.js" 5b:"/_next/static/chunks/3m1xjj5kw5fie.js" 5c:"/_next/static/chunks/0so1i35v7xcta.js" 5d:"/_next/static/chunks/082jo-0ajazgr.js" 5e:"/_next/static/chunks/0-a64pg0hn7g7.js" 5f:"/_next/static/chunks/09nq57stwzkgf.js" 60:"/_next/static/chunks/20329i6m_04t6.js" 61:"/_next/static/chunks/0i3-eynrkvqi7.js" 62:"/_next/static/chunks/0oag6lffx7d01.js" 63:"/_next/static/chunks/1nyz-fz1mk3y6.js" 64:"/_next/static/chunks/1dl4k5870muic.js" 65:"/_next/static/chunks/2ozcrjb_hh74t.js" 66:"/_next/static/chunks/18ggtgz2yf759.js" 67:"/_next/static/chunks/1tn-0fivsxsv1.js" 68:"/_next/static/chunks/0hlb44ca7-4a2.js" 69:"/_next/static/chunks/1ch_-e7_eco00.js" 6a:"/_next/static/chunks/40mq7ggq-ozo4.js" 6b:"/_next/static/chunks/2112y_x317i7a.js" 6c:"/_next/static/chunks/2k8pepwc4pxns.js" 6d:"/_next/static/chunks/2hr13i-t0krnb.js" 6e:"/_next/static/chunks/0hy4a31wjpabs.js" 6f:"/_next/static/chunks/2mw79vtbi206x.js" 70:"/_next/static/chunks/253gnmj0-cj17.js" 71:I[593304,["$2d","$2e","$2f","$30","$31","$32","$47","$48","$49","$4a","$4b","$4c","$4d","$4e","$4f","$50","$51","$52","$53","$54","$55","$56","$57","$58","$59","$5a","$5b","$5c","$5d","$5e","$5f","$60","$61","$62","$63","$64","$65","$66","$67","$68","$69","$6a","$6b","$6c","$6d","$6e","$6f","$70"],"OwnedHydration"] 72:T47d,In the previous modules, we explored two proactive strategies for handling deadlocks: **prevention** (structuring the system so deadlock cannot occur) and **avoidance** (dynamically refusing requests that could lead to deadlock via the Banker's Algorithm). Both approaches share a common philosophy—stop deadlock before it happens. But what if this proactive stance is too expensive? Prevention often cripples concurrency by requiring all resources upfront or imposing strict ordering. Avoidance demands complete knowledge of maximum resource needs and imposes computational overhead on every request. For many real-world systems, these constraints are unacceptable. **Detection and recovery** offers a fundamentally different philosophy: **let deadlock happen, then deal with it**. This reactive approach gambles that deadlocks are rare enough that the occasional cost of detection and recovery is lower than the ongoing cost of prevention or avoidance. When you're running thousands of processes, and deadlock occurs once a day, periodically checking for deadlock and killing one process is far cheaper than constraining all resource requests.73:T465,**When Detection is the Right Choice:** Detection is preferred when: 1. **Deadlock is rare**: If deadlocks occur infrequently (say, once per thousand process lifetimes), the cost of occasional detection and recovery is negligible compared to constant prevention overhead. 2. **Maximum resource claims are unknown**: Avoidance requires processes to declare their maximum needs upfront. Many systems can't provide this information—consider a web server whose resource needs depend on arbitrary user requests. 3. **Resource utilization must be maximized**: Prevention and avoidance both leave resources idle to maintain safety margins. Detection allows full utilization until deadlock actually occurs. 4. **Recovery is acceptable**: For some workloads, terminating a process and restarting it is perfectly acceptable. Database transactions can rollback. Scientific computations can checkpoint. Web requests can retry. 5. **System is already complex**: Adding prevention constraints to an existing complex system may be impractical. Detection can be added as a monitoring layer without restructuring resource acquisition.74:T8d5,# Conceptual representation of a wait-for graph class WaitForGraph: """ Wait-For Graph for deadlock detection. Nodes: Processes (identified by process IDs) Edges: P_i -> P_j means "P_i is waiting for P_j" Deadlock exists iff there is a cycle in this graph. """ def __init__(self, num_processes: int): self.num_processes = num_processes # adjacency list: process -> set of processes it waits for self.waits_for: dict[int, set[int]] = { i: set() for i in range(num_processes) } def add_wait_edge(self, waiting: int, holding: int): """ Record that 'waiting' is waiting for a resource held by 'holding'. This creates an edge: waiting -> holding """ self.waits_for[waiting].add(holding) def remove_wait_edge(self, waiting: int, holding: int): """Remove a wait edge (e.g., when resource is granted).""" self.waits_for[waiting].discard(holding) def clear_edges_for(self, process: int): """Process completed or terminated - remove all its edges.""" self.waits_for[process].clear() for p in self.waits_for: self.waits_for[p].discard(process) def has_cycle(self) -> bool: """ Detect if there's a cycle in the graph. If a cycle exists, deadlock is present. """ # Standard DFS-based cycle detection WHITE, GRAY, BLACK = 0, 1, 2 color = {p: WHITE for p in range(self.num_processes)} def dfs(node: int) -> bool: color[node] = GRAY # Currently exploring for neighbor in self.waits_for[node]: if color[neighbor] == GRAY: # Back edge! We found a cycle return True if color[neighbor] == WHITE: if dfs(neighbor): return True color[node] = BLACK # Fully explored return False # Check from each node for process in range(self.num_processes): if color[process] == WHITE: if dfs(process): return True return False75:Tb9c,#include #include #include #define MAX_PROCESSES 256 #define MAX_RESOURCE_TYPES 64 /** * Resource allocation tracking for deadlock detection. * * The kernel maintains these structures and updates them * on every resource allocation/deallocation/request. */ // Total instances of each resource type in the system uint32_t total_resources[MAX_RESOURCE_TYPES]; // Currently available (unallocated) instances of each type uint32_t available[MAX_RESOURCE_TYPES]; // Allocation matrix: allocation[p][r] = instances of r held by p uint32_t allocation[MAX_PROCESSES][MAX_RESOURCE_TYPES]; // Request matrix: request[p][r] = instances of r that p is waiting for // (Zero means not waiting for that resource type) uint32_t request[MAX_PROCESSES][MAX_RESOURCE_TYPES]; // Number of active processes and resource types int num_processes; int num_resource_types; /** * Record a resource allocation. * Called when a resource request is granted. */ void record_allocation(int process, int resource_type, uint32_t count) { allocation[process][resource_type] += count; available[resource_type] -= count; // If this was a pending request, clear it if (request[process][resource_type] >= count) { request[process][resource_type] -= count; } else { request[process][resource_type] = 0; } } /** * Record a resource release. * Called when a process releases resources. */ void record_release(int process, int resource_type, uint32_t count) { if (allocation[process][resource_type] >= count) { allocation[process][resource_type] -= count; available[resource_type] += count; } } /** * Record a blocked request. * Called when a resource request cannot be immediately satisfied. */ void record_pending_request(int process, int resource_type, uint32_t count) { request[process][resource_type] = count; } /** * Construct the wait-for graph from allocation and request matrices. * * wait_for[i][j] = true iff process i is waiting for process j * * This is O(P^2 * R) where P = processes, R = resource types. */ void build_wait_for_graph(bool wait_for[MAX_PROCESSES][MAX_PROCESSES]) { // Clear the graph memset(wait_for, 0, sizeof(bool) * MAX_PROCESSES * MAX_PROCESSES); // For each process that's waiting for something for (int i = 0; i < num_processes; i++) { for (int r = 0; r < num_resource_types; r++) { if (request[i][r] > 0) { // Process i is waiting for resource type r // Find all processes j that hold instances of r for (int j = 0; j < num_processes; j++) { if (j != i && allocation[j][r] > 0) { // Process j holds resource r, process i waits for r // Therefore: i waits for j wait_for[i][j] = true; } } } } } }76:Tbbd,def detect_deadlock_reduction( num_processes: int, num_resource_types: int, available: list[int], # available[r] = free instances of r allocation: list[list[int]], # allocation[p][r] = held by p request: list[list[int]] # request[p][r] = waiting for by p ) -> list[int]: """ Deadlock detection via simulation/reduction algorithm. Returns: List of deadlocked process IDs, or empty list if no deadlock. Algorithm: 1. Start with a "work" vector = available resources 2. Find processes whose requests can be satisfied with "work" 3. Simulate their completion: add their held resources to "work" 4. Repeat until no more processes can complete 5. Any remaining unfinished processes are deadlocked """ # Work vector: simulates currently available resources work = available.copy() # Track which processes have "finished" in our simulation finished = [False] * num_processes # Repeatedly find processes that can complete made_progress = True while made_progress: made_progress = False for p in range(num_processes): if finished[p]: continue # Already simulated completion # Can process p's request be satisfied? can_satisfy = True for r in range(num_resource_types): if request[p][r] > work[r]: can_satisfy = False break if can_satisfy: # Simulate process p completing: # It releases all resources it holds for r in range(num_resource_types): work[r] += allocation[p][r] finished[p] = True made_progress = True # Note: don't break, check all processes each round # Any process not "finished" is deadlocked deadlocked = [p for p in range(num_processes) if not finished[p]] return deadlocked # Example scenario if __name__ == "__main__": # 5 processes, 3 resource types # Resource totals: [7, 2, 6] available = [0, 0, 0] # All resources currently allocated allocation = [ [0, 1, 0], # P0 holds: 0 of R0, 1 of R1, 0 of R2 [2, 0, 0], # P1 holds: 2 of R0, 0 of R1, 0 of R2 [3, 0, 3], # P2 holds: 3R0, 0R1, 3R2 [2, 1, 1], # P3 holds: 2R0, 1R1, 1R2 [0, 0, 2], # P4 holds: 0R0, 0R1, 2R2 ] request = [ [0, 0, 0], # P0 not waiting [2, 0, 2], # P1 waiting for: 2R0, 0R1, 2R2 [0, 0, 0], # P2 not waiting [1, 0, 0], # P3 waiting for: 1R0 [0, 0, 2], # P4 waiting for: 2R2 ] deadlocked = detect_deadlock_reduction( 5, 3, available, allocation, request ) if deadlocked: print(f"DEADLOCK DETECTED! Processes: {deadlocked}") else: print("No deadlock - system can make progress")77:Tadc,#include #include #include struct DeadlockDetector { int num_processes; int num_resources; std::vector> allocation; // allocation[p][r] std::vector> request; // request[p][r] std::vector available; /** * Optimized detection using a work queue. * * Time: O(n * m) in best case, O(n^2 * m) worst case * where n = processes, m = resource types * Space: O(n) */ std::vector detect_deadlock() { std::vector work = available; std::vector finished(num_processes, false); // Queue of processes that *might* be able to complete // (processes whose requests are potentially satisfiable) std::queue candidates; // Initially, any process with all-zero requests can complete // (they can't be waiting for anything) for (int p = 0; p < num_processes; p++) { if (request_is_zero(p) || can_satisfy(p, work)) { candidates.push(p); } } while (!candidates.empty()) { int p = candidates.front(); candidates.pop(); if (finished[p]) continue; // Already processed // Recheck if we can satisfy (work may have changed) if (!can_satisfy(p, work)) continue; // Process p completes: release its resources finished[p] = true; for (int r = 0; r < num_resources; r++) { work[r] += allocation[p][r]; } // Resources released - some waiting processes might now be able to proceed // Note: In a sophisticated implementation, we'd track which processes // wait for which resources to efficiently wake only relevant ones. for (int q = 0; q < num_processes; q++) { if (!finished[q] && can_satisfy(q, work)) { candidates.push(q); } } } // Collect deadlocked processes std::vector deadlocked; for (int p = 0; p < num_processes; p++) { if (!finished[p]) { deadlocked.push_back(p); } } return deadlocked; } private: bool can_satisfy(int p, const std::vector& work) { for (int r = 0; r < num_resources; r++) { if (request[p][r] > work[r]) return false; } return true; } bool request_is_zero(int p) { for (int r = 0; r < num_resources; r++) { if (request[p][r] > 0) return false; } return true; } };78:Te67,/* * Conceptual kernel deadlock detection architecture * (Simplified for educational purposes) */ #include #include #include /* Global lock protecting detection state */ static DEFINE_SPINLOCK(detection_lock); /* Detection work - runs in process context */ static struct delayed_work detection_work; /* Detection interval (jiffies) */ static unsigned long detection_interval = HZ * 30; /* 30 seconds */ /* Resource tracking structures */ static struct { uint32_t allocation[NR_CPUS][MAX_RESOURCES]; uint32_t request[NR_CPUS][MAX_RESOURCES]; uint32_t available[MAX_RESOURCES]; atomic_t sequence; /* For snapshot consistency */ } resource_state; /** * Called when a resource request blocks. * Updates the request matrix. */ void deadlock_record_block(struct task_struct *task, int resource, int count) { unsigned long flags; spin_lock_irqsave(&detection_lock, flags); resource_state.request[task->pid % NR_CPUS][resource] = count; atomic_inc(&resource_state.sequence); spin_unlock_irqrestore(&detection_lock, flags); /* Optionally trigger immediate detection for this task */ if (sysctl_deadlock_detect_on_block) { schedule_work(&detection_work.work); } } /** * Called when a resource is granted. * Updates allocation and clears request. */ void deadlock_record_grant(struct task_struct *task, int resource, int count) { unsigned long flags; spin_lock_irqsave(&detection_lock, flags); resource_state.allocation[task->pid % NR_CPUS][resource] += count; resource_state.request[task->pid % NR_CPUS][resource] = 0; resource_state.available[resource] -= count; atomic_inc(&resource_state.sequence); spin_unlock_irqrestore(&detection_lock, flags); } /** * Called when a resource is released. */ void deadlock_record_release(struct task_struct *task, int resource, int count) { unsigned long flags; spin_lock_irqsave(&detection_lock, flags); resource_state.allocation[task->pid % NR_CPUS][resource] -= count; resource_state.available[resource] += count; atomic_inc(&resource_state.sequence); spin_unlock_irqrestore(&detection_lock, flags); } /** * The detection worker function. * Runs periodically or on-demand. */ static void detection_worker(struct work_struct *work) { unsigned long flags; int seq_before, seq_after; bool deadlock_found = false; /* Take a consistent snapshot */ do { seq_before = atomic_read(&resource_state.sequence); spin_lock_irqsave(&detection_lock, flags); /* Copy state for analysis */ memcpy(snapshot.allocation, resource_state.allocation, ...); memcpy(snapshot.request, resource_state.request, ...); memcpy(snapshot.available, resource_state.available, ...); spin_unlock_irqrestore(&detection_lock, flags); seq_after = atomic_read(&resource_state.sequence); } while (seq_before != seq_after); /* Retry if state changed */ /* Run detection on snapshot */ deadlock_found = detect_deadlock(&snapshot); if (deadlock_found) { handle_detected_deadlock(&snapshot); } /* Schedule next detection */ schedule_delayed_work(&detection_work, detection_interval); } /** * Initialize deadlock detection subsystem. */ void __init deadlock_detection_init(void) { INIT_DELAYED_WORK(&detection_work, detection_worker); schedule_delayed_work(&detection_work, detection_interval); printk(KERN_INFO "Deadlock detection initialized, interval=%lu ms ", jiffies_to_msecs(detection_interval)); }46:["$","$L71",null,{"owner":"anonymous","state":{"mutations":[],"queries":[{"dehydratedAt":1792286943345,"state":{"data":{"json":{"archivedAt":null,"id":"seed_37d2f8441071f52e9abfc18043cd1c3b","slug":"operating-systems","title":"Operating Systems","description":"Master Operating Systems from fundamentals to advanced concepts. This comprehensive path covers processes, threads, memory management, file systems, I/O, virtualization, and distributed systems with 47 chapters and 1201+ pages.","image":null,"color":"#EF4444","keyTopics":["Process Management","Thread Synchronization","Memory Management","Virtual Memory","File Systems","I/O Systems","Virtualization","Distributed Systems"],"estimatedHours":196.8,"problemCount":0,"visualizerCount":0,"quizCount":0,"learningCount":236,"difficulty":"INTERMEDIATE","idealFor":["Computer Science students","Systems programmers","Backend engineers","Anyone preparing for systems interviews"],"prerequisites":["Basic programming (C preferred)","Understanding of computer architecture","Basic data structures knowledge"],"skillsGained":["Process and thread management","Synchronization primitives","Memory management techniques","File system design","System call implementation","Performance optimization"],"outcomes":["Understand OS internals deeply","Debug systems-level issues","Design concurrent programs","Optimize system performance","Prepare for systems interviews","Build OS components"],"overview":"This comprehensive learning path takes you from OS fundamentals to advanced systems concepts, preparing you for systems programming and interviews.\n\n**What you'll learn:**\n• OS History and Evolution\n• Process management and scheduling\n• Thread synchronization and concurrency\n• Memory management and virtual memory\n• File systems and storage\n• I/O systems and device drivers\n• Virtualization and containers\n• Distributed systems concepts\n• Security and protection\n• Modern OS topics\n\nEach topic includes detailed explanations with practical examples.","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.121Z","modules":[{"id":"seed_0989bba9c801e30c2f8d8fbcccc160fb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"What Is an Operating System?","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-operating-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_b0818c91ff08af47baa34eb62858f66c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"History of Operating Systems","order":2,"contentType":"LEARNING","contentSlug":"history-of-operating-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_2ccef563a867bb7804728aac2ec8898b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Types of Operating Systems","order":3,"contentType":"LEARNING","contentSlug":"types-of-operating-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_837ca9e393dfaed490f4c2ab1d0c7b9b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Operating System Services","order":4,"contentType":"LEARNING","contentSlug":"operating-system-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_e450fe77a88991a07a3d5c98dbc9e1c9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Operating System Structure","order":5,"contentType":"LEARNING","contentSlug":"operating-system-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_bfc441947857a25112da5292201b9944","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Design Goals and Tradeoffs in Operating Systems","order":6,"contentType":"LEARNING","contentSlug":"design-goals-and-tradeoffs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_86da1ea83ce7927e2a15080b95fef560","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"von Neumann Architecture","order":1,"contentType":"LEARNING","contentSlug":"von-neumann-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_468b82c6119325a617edc0f311cbe3f3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"CPU Execution Modes","order":2,"contentType":"LEARNING","contentSlug":"cpu-execution-modes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_45eef80b7025070c0c4404de5a533b71","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Memory Hierarchy: From Registers to Disk","order":3,"contentType":"LEARNING","contentSlug":"memory-hierarchy","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_980787327dac546179c8d7ab893f8e4d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Interrupts and Exceptions","order":4,"contentType":"LEARNING","contentSlug":"interrupts-and-exceptions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_f6e1083fa8c58d5bd8c75a27d235251e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"I/O Architecture: How the CPU Communicates with the World","order":5,"contentType":"LEARNING","contentSlug":"io-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_d0557b0f349b5f70f81e2748910e3005","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Cache Coherence and Memory Consistency","order":6,"contentType":"LEARNING","contentSlug":"cache-coherence","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_a81fd6898d35ccf59a1cbaaca8e8a659","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Monolithic Kernels: The Traditional OS Architecture","order":1,"contentType":"LEARNING","contentSlug":"monolithic-kernels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2e766749fc8e4bec70ebefe52f4f3e43","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Microkernel Architecture","order":2,"contentType":"LEARNING","contentSlug":"microkernel-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e072f947c9ab98b98e7e0762b2084ce6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Hybrid Kernels","order":3,"contentType":"LEARNING","contentSlug":"hybrid-kernels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ecc734779008ee009eb0a4ffbc502498","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Loadable Kernel Modules","order":4,"contentType":"LEARNING","contentSlug":"loadable-kernel-modules","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9d115c9f3ae3b4f29f09606f3eff588f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Boot Process","order":5,"contentType":"LEARNING","contentSlug":"boot-process","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_82148746a8bc2509227f2483fa9e58cd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Virtual Machines","order":6,"contentType":"LEARNING","contentSlug":"virtual-machines","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b7f231e822013edf953a1f54b39cdd64","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"System Call Mechanism","order":1,"contentType":"LEARNING","contentSlug":"system-call-mechanism","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1f5af05d88b718fb8bad812f1c507b13","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"System Call Types","order":2,"contentType":"LEARNING","contentSlug":"system-call-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0ff105e065cd1375b969a854613682f1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"POSIX Interface: The Portable Operating System Standard","order":3,"contentType":"LEARNING","contentSlug":"posix-interface","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_80f17dc5d70a0bae02aa38ac830d5dae","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"Windows API","order":4,"contentType":"LEARNING","contentSlug":"windows-api","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4b4dbf12032d712927f668a6e1fc3d0b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"Library Functions vs System Calls","order":5,"contentType":"LEARNING","contentSlug":"library-functions-vs-system-calls","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9021890711dd458837c4f54fbd4973c5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls Api","sectionOrder":5,"title":"System Call Implementation","order":1,"contentType":"LEARNING","contentSlug":"system-call-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_077f486143700610ae3fc15ec7dca0d2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Definition","order":1,"contentType":"LEARNING","contentSlug":"process-definition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d60354496ce5346a5f33ab1e9b4b67ba","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Control Block (PCB)","order":2,"contentType":"LEARNING","contentSlug":"process-control-block","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_932edb67e048a2aa3949ccad1c000032","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process States","order":3,"contentType":"LEARNING","contentSlug":"process-states","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8b6f755f9699c9ea81bb12f165930890","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process State Transitions","order":4,"contentType":"LEARNING","contentSlug":"state-transitions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4edfc277c91ec64c1fe2524c3a10dff7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Queues: Managing System Resources","order":5,"contentType":"LEARNING","contentSlug":"process-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_c548e97a99451cf65520d1c3ca157603","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Context Switching: The Heart of Multitasking","order":6,"contentType":"LEARNING","contentSlug":"context-switching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d3b0ef17f2731b131288d4e78876410b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Process Creation","order":1,"contentType":"LEARNING","contentSlug":"process-creation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_188e252485047268d55ce1e8d6010d59","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"The fork() System Call","order":2,"contentType":"LEARNING","contentSlug":"fork-system-call","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_67342be312dd695308c4d12f84ebfbc3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"The exec() Family of System Calls","order":3,"contentType":"LEARNING","contentSlug":"exec-family","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_57250ecb2cb222d18431a0df69ea7d38","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Process Termination","order":4,"contentType":"LEARNING","contentSlug":"process-termination","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_07a7906e50bf512fc33e1f702cd10a6d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Orphans and Zombies: Handling Parent-Child Process Anomalies","order":5,"contentType":"LEARNING","contentSlug":"orphans-and-zombies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4d33225e45483b73ca9b58a507cf087b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation Termination","sectionOrder":8,"title":"wait() and waitpid() System Calls","order":1,"contentType":"LEARNING","contentSlug":"wait-and-waitpid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_20a9c35106e25d5006789fb949a26a78","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"IPC Overview","order":1,"contentType":"LEARNING","contentSlug":"ipc-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_6938a68a7cc9e78c966d4b5a5e3dfda8","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Pipes – Fundamental IPC Mechanism","order":2,"contentType":"LEARNING","contentSlug":"pipes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2c83fc712179dd03bf000225ec6e304b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Named Pipes (FIFOs): Persistent Inter-Process Communication","order":3,"contentType":"LEARNING","contentSlug":"named-pipes-fifos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b8be570290835678ecc04f0652594858","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Message Queues","order":4,"contentType":"LEARNING","contentSlug":"os-message-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b37f87427b64dbe1b3606c3b7d5253a9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Shared Memory: The Fastest IPC Mechanism","order":5,"contentType":"LEARNING","contentSlug":"shared-memory","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8a100b935bf7f5cba81a227fd2bb1cf4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Signals: Software Interrupts for Process Communication","order":6,"contentType":"LEARNING","contentSlug":"signals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_42c2a0ddd8fc2bf250e986feb527df3b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Scheduling Concepts","order":1,"contentType":"LEARNING","contentSlug":"scheduling-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_87bec7889b7fec9ebcc318cdbd6a0559","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"First-Come, First-Served (FCFS)","order":2,"contentType":"LEARNING","contentSlug":"first-come-first-served","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_87b81c518aed7bd3cdb4482412c43e90","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Shortest Job First (SJF) & SRTF","order":3,"contentType":"LEARNING","contentSlug":"sjf-and-srtf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_aa42e026909c36d09b71b4e929d0f830","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"LRTF & HRRN Scheduling Algorithms","order":4,"contentType":"LEARNING","contentSlug":"lrtf-and-hrrn","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2cf39c51ad3b333119373b476d1a7a2d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Priority Scheduling","order":5,"contentType":"LEARNING","contentSlug":"priority-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a654fb84db3346da0c6d9bc83d4d5d58","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Round Robin & Multi-Level Queue Scheduling","order":6,"contentType":"LEARNING","contentSlug":"round-robin-and-multi-level-queue","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_84d9ae211ca63350c5015c92962347ce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"thread-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e8de0944542297d2927e25437ca5ff5c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"User-Level Threads","order":2,"contentType":"LEARNING","contentSlug":"user-level-threads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d65203d8191335be6756f1fc3662f58a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Kernel-Level Threads","order":3,"contentType":"LEARNING","contentSlug":"kernel-level-threads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1147b92814dd4a879d191ad966fa2628","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Threading Models: Mapping User and Kernel Threads","order":4,"contentType":"LEARNING","contentSlug":"threading-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_45942b7628dcb2c31cbc02a7ebf6953d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Libraries","order":5,"contentType":"LEARNING","contentSlug":"thread-libraries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a75092c3cf00c5ca285943bbca9958f3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Issues","order":6,"contentType":"LEARNING","contentSlug":"thread-issues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7712ba1c01e9ee5fabc424b5c4723c99","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Concurrency Concepts","order":1,"contentType":"LEARNING","contentSlug":"concurrency-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_fd5bc15b164eadabd248b2006512dbaf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Fork-Join Model","order":2,"contentType":"LEARNING","contentSlug":"fork-join-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2a7bf29b720b17371ef92b924755cc80","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"The parbegin-parend Model: Structured Concurrent Execution","order":3,"contentType":"LEARNING","contentSlug":"parbegin-parend-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1cee940d03b7febd2b73411f06a914fb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Thread Pools","order":4,"contentType":"LEARNING","contentSlug":"thread-pools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_bfd74c13ce11b9491b087cf01dd8a168","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Asynchronous Programming","order":5,"contentType":"LEARNING","contentSlug":"asynchronous-programming","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_513e0e1ded7d6283caae3de9b896a46b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Common Concurrency Patterns","order":6,"contentType":"LEARNING","contentSlug":"common-concurrency-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ec50e85045d715685069205035d72720","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Multi-Processor Scheduling","order":1,"contentType":"LEARNING","contentSlug":"multi-processor-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3f2fc1678dd6a01fde9a807692bba569","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Load Balancing in Multiprocessor Systems","order":2,"contentType":"LEARNING","contentSlug":"os-load-balancing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a550b0a396ce7fabcfdd5d852d88708c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Processor Affinity","order":3,"contentType":"LEARNING","contentSlug":"processor-affinity","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_dc62ac0fcc6707daf18963371012f01e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Real-Time Scheduling","order":4,"contentType":"LEARNING","contentSlug":"os-cpu-scheduling-advanced-real-time-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9a7a209c38cbdf505869ca78f3755493","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Linux Scheduling","order":5,"contentType":"LEARNING","contentSlug":"linux-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ede70642db3e09cef4cf709ccff54f65","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Windows Scheduling","order":6,"contentType":"LEARNING","contentSlug":"windows-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_538a852460c650c526ab0c98cc6a39ab","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Race Conditions","order":1,"contentType":"LEARNING","contentSlug":"race-conditions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b0391dad5390b2a5509d154284068c68","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"The Critical Section Problem","order":2,"contentType":"LEARNING","contentSlug":"critical-section-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a2845ec49a964316d45468e706ca0ae0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Requirements for Solutions to the Critical Section Problem","order":3,"contentType":"LEARNING","contentSlug":"requirements-for-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_292c003373582ceb8518dc40d3d98e5a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Peterson's Solution","order":4,"contentType":"LEARNING","contentSlug":"petersons-solution","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_734ef1c685c8634b040ec1d685812236","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Dekker's Algorithm","order":5,"contentType":"LEARNING","contentSlug":"dekkers-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_298e344dcd38b3be39e486afc23ba4ed","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Disabling Interrupts for Mutual Exclusion","order":6,"contentType":"LEARNING","contentSlug":"disabling-interrupts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1eddf95478ac90ee67e75d9a0dc7bcfb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks And Hardware Support","sectionOrder":15,"title":"Sleep and Wakeup Mechanisms","order":1,"contentType":"LEARNING","contentSlug":"sleep-and-wakeup","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_bdfe65adf78f9dc9ded3bde19c222b3a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Spinlocks","order":1,"contentType":"LEARNING","contentSlug":"spinlocks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a5b9d700782c503cdfe833d9ebfa65f2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Test-and-Set Lock (TSL): Hardware-Assisted Synchronization","order":2,"contentType":"LEARNING","contentSlug":"test-and-set-lock","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4513483c67b0a39b1fb722040508bc07","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Compare-and-Swap: Foundation of Lock-Free Concurrency","order":3,"contentType":"LEARNING","contentSlug":"compare-and-swap","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_6f9347e8c8a4b551eb419c0f615eeb09","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Mutex Locks: Mutual Exclusion Primitives","order":4,"contentType":"LEARNING","contentSlug":"mutex-locks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a18feea107e575395b7aeb854a4b90bc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Futex: Fast Userspace Mutex","order":5,"contentType":"LEARNING","contentSlug":"futex","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0879fd294f8492fe9130f0cb34d4494b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"Semaphore Implementation","order":1,"contentType":"LEARNING","contentSlug":"semaphore-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_6a3691fb18a17667a8883296b7df6a41","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"The Dining Philosophers Problem","order":2,"contentType":"LEARNING","contentSlug":"dining-philosophers-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_095741f1b4c7f4efa518c717b9806687","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"Other Classic Synchronization Problems","order":3,"contentType":"LEARNING","contentSlug":"other-classic-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_81039f64343301d7139508dcd36f3c33","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"Semaphore Concepts","order":1,"contentType":"LEARNING","contentSlug":"semaphore-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0a9e6ddf86fa8ec2dffdf17d2b9bdbf9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"The Producer-Consumer Problem","order":2,"contentType":"LEARNING","contentSlug":"producer-consumer-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_da67f7f18123f7ebbe89efec6e979798","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"Readers-Writers Problem","order":3,"contentType":"LEARNING","contentSlug":"readers-writers-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8ef0f7a09ed19f4d09fa071bd04edd39","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Monitor Concept","order":1,"contentType":"LEARNING","contentSlug":"monitor-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b378ecef8b5fb49e43e4397d2bf40f02","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Signal Semantics in Condition Variables","order":2,"contentType":"LEARNING","contentSlug":"signal-semantics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7092734f4ee8ea0c9984e22c09d261a0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Broadcast: Waking Multiple Waiting Threads","order":3,"contentType":"LEARNING","contentSlug":"broadcast","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_db6eb17a2e348139dd6e783594e74073","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Condition Variables: Synchronization for Complex Coordination","order":1,"contentType":"LEARNING","contentSlug":"condition-variables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_697b459f7503e5c6c1785005deecb424","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Pthread Condition Variables","order":2,"contentType":"LEARNING","contentSlug":"pthread-condition-variables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b7edafb17356d821c60c3370cf2579e7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Monitor-Based Solutions","order":3,"contentType":"LEARNING","contentSlug":"monitor-based-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a51245be2f1a65549356f824272ebc67","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Understanding Deadlock Concepts","order":1,"contentType":"LEARNING","contentSlug":"deadlock-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4334a5a41629eba66ae678384f7a3198","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Necessary Conditions for Deadlock","order":2,"contentType":"LEARNING","contentSlug":"necessary-conditions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_eba514d553d708252753631b90d328cf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Resource Allocation Graph","order":3,"contentType":"LEARNING","contentSlug":"resource-allocation-graph","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_bb7f0a87d10c83a2d2af64a1f01103fc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Deadlock Prevention Strategies","order":4,"contentType":"LEARNING","contentSlug":"deadlock-prevention","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_736704f63cb8208d80c74ea8167d560a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Banker's Algorithm: Deadlock Avoidance","order":5,"contentType":"LEARNING","contentSlug":"bankers-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ce49823af1ff69c3e6c04e24df43a55e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Deadlock Detection and Recovery","order":6,"contentType":"LEARNING","contentSlug":"detection-and-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1359692a0cd69411d8512612b6e774c1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Memory Management Goals","order":1,"contentType":"LEARNING","contentSlug":"memory-management-goals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_675f925abcc1f6bb1164f9a18fc17887","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Address Binding: From Source to Execution","order":2,"contentType":"LEARNING","contentSlug":"address-binding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_41f2ed027a756b7a34b1ee22d832f5f0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Understanding Logical vs Physical Addresses","order":3,"contentType":"LEARNING","contentSlug":"logical-vs-physical-addresses","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d3b080d578a2e4bcb2b240767bc2e833","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Linkers and Loaders","order":4,"contentType":"LEARNING","contentSlug":"linkers-and-loaders","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_27a52b5c729f9c878badfdbf7dcc7211","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Swapping","order":5,"contentType":"LEARNING","contentSlug":"swapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_cb5a855d17df9d9fccf5a1ba85c07b2b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Overlays","order":6,"contentType":"LEARNING","contentSlug":"overlays","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a1f928a457011df2c378cddab161a114","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Contiguous Memory Allocation Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"contiguous-allocation-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_81f9769996020bf3795c83493b0eab2f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Fixed Partitioning: Static Memory Division","order":2,"contentType":"LEARNING","contentSlug":"fixed-partitioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e4474bca96bd36e0763125f758e465d3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Variable Partitioning","order":3,"contentType":"LEARNING","contentSlug":"variable-partitioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2abcdef14133b361fc8bc438caf85066","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Memory Allocation Strategies","order":4,"contentType":"LEARNING","contentSlug":"os-contiguous-allocation-allocation-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_efac1ff2d107f726e496d816d5ad8230","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Memory Fragmentation: Internal and External","order":5,"contentType":"LEARNING","contentSlug":"os-memory-fragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_708b1569a3837117c1f3abefc7ec8cd7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Compaction and Buddy System","order":6,"contentType":"LEARNING","contentSlug":"compaction-and-buddy-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7ec2df224624b43b377d8568aa4e7438","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Paging Concepts","order":1,"contentType":"LEARNING","contentSlug":"paging-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e6814eb8e4db13fd97cc5d2004ced057","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Page Tables","order":2,"contentType":"LEARNING","contentSlug":"page-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9310e6e155aa02f9d5e95fc58087cbd9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Paging Address Translation Mechanisms","order":3,"contentType":"LEARNING","contentSlug":"paging-address-translation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5f3c7ed52b32aba9548a8057002274e4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Translation Lookaside Buffer (TLB)","order":4,"contentType":"LEARNING","contentSlug":"translation-lookaside-buffer","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5bb9082c057bdb717b525fff885ee456","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Multi-Level Paging","order":5,"contentType":"LEARNING","contentSlug":"multi-level-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7f589afea1b45ccdc3408081b0f2151d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Hash-based and Inverted Page Tables","order":6,"contentType":"LEARNING","contentSlug":"hash-based-and-inverted-page-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_48d8b374c98648d28c552478caa5aba1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation Concepts","order":1,"contentType":"LEARNING","contentSlug":"segmentation-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_49db44f086c862a4244afe70a9ab3d61","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segment Table","order":2,"contentType":"LEARNING","contentSlug":"segment-table","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e8ac3489b567b6c68e50ade467c44586","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation Address Translation","order":3,"contentType":"LEARNING","contentSlug":"segmentation-address-translation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3319256c906738d99ab40424ce0cd7d1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation vs Paging: A Comprehensive Comparison","order":4,"contentType":"LEARNING","contentSlug":"segmentation-vs-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3e144f44f2889dbe917af33c51a204e3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation with Paging","order":5,"contentType":"LEARNING","contentSlug":"segmentation-with-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_981dce20fa6c9cb3c0f806f660d1fcce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Intel x86 Memory Model","order":6,"contentType":"LEARNING","contentSlug":"intel-x86-memory-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2d1300fa47e559dae9b232e2a9d52fb9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Virtual Memory Concepts","order":1,"contentType":"LEARNING","contentSlug":"virtual-memory-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_74dfd56fb6d52454938e8bd47118c558","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Demand Paging","order":2,"contentType":"LEARNING","contentSlug":"demand-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7d01ec09ff472f39b2e81a2bcb935c7d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Page Fault Handling: The Critical Path to Virtual Memory","order":3,"contentType":"LEARNING","contentSlug":"page-fault-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b5fcc90890051f0b2b9f9bdc1b30ed87","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Copy-on-Write","order":4,"contentType":"LEARNING","contentSlug":"copy-on-write","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ffee6b7a320b7433e2f39111d0a92637","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Memory-Mapped Files","order":5,"contentType":"LEARNING","contentSlug":"memory-mapped-files","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7f60e57f035bc73c6047e0883cb42fe5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Shared Memory via Virtual Memory","order":6,"contentType":"LEARNING","contentSlug":"shared-memory-via-virtual-memory","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_bea5b47cc116ab03f9991178b3631bcd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"Page Replacement Need","order":1,"contentType":"LEARNING","contentSlug":"page-replacement-need","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e370c66076609b9b9e6c4656f86a2f88","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"FIFO Page Replacement Algorithm","order":2,"contentType":"LEARNING","contentSlug":"fifo-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_59f34d9e468d539410235ab2afa72563","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"The Optimal (OPT/MIN) Page Replacement Algorithm","order":3,"contentType":"LEARNING","contentSlug":"optimal-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_58e611be25d9eaad2e46da56fe86411e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"LRU (Least Recently Used) Page Replacement","order":4,"contentType":"LEARNING","contentSlug":"lru-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3b141aef6fe98ed68f6e61631da31d6b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"LRU Approximation Algorithms","order":5,"contentType":"LEARNING","contentSlug":"lru-approximations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1775094b82e4081250b3a008f71b281c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"Working Set Model and Page Fault Frequency","order":6,"contentType":"LEARNING","contentSlug":"working-set-and-pff","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e6326cc42a26f3cf6a90c1e641fe7ebe","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Frame Allocation Problem","order":1,"contentType":"LEARNING","contentSlug":"frame-allocation-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_68b9eb39e23ceafe1477edf4b7e5783a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Thrashing: The Performance Catastrophe","order":2,"contentType":"LEARNING","contentSlug":"thrashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_92ee21095ae279cb17c1bdeb30f3a3ae","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Working Set Model","order":3,"contentType":"LEARNING","contentSlug":"working-set-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_fd43da53d4496fbef64f128868f95db6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Thrashing Solutions: Restoring System Stability","order":4,"contentType":"LEARNING","contentSlug":"thrashing-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1db12b50e5b04520e372819500de72b7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation Thrashing","sectionOrder":29,"title":"Global vs Local Replacement","order":1,"contentType":"LEARNING","contentSlug":"global-vs-local-replacement","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5b294a7d9d9e56ba15690d2b6f891a99","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Linux Memory Management","order":1,"contentType":"LEARNING","contentSlug":"os-memory-management-in-practice-linux-memory-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_86fc3a1c820a82ec8fde3c3b17aca2f5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Windows Memory Management","order":2,"contentType":"LEARNING","contentSlug":"windows-memory-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_78b534009d4be91a8ec06f7bcd261dbe","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"NUMA Architecture","order":3,"contentType":"LEARNING","contentSlug":"numa-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_cf3a2f7161693cc12b4fd043aefbe346","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Huge Pages: Optimizing Memory Management at Scale","order":4,"contentType":"LEARNING","contentSlug":"huge-pages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_88717754b9f03dcfea81a91aa8ff4a2a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Memory Compression","order":5,"contentType":"LEARNING","contentSlug":"memory-compression","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8f05fbc44420a857d7f29b499908c247","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Memory Debugging: Detecting and Resolving Memory Errors","order":6,"contentType":"LEARNING","contentSlug":"memory-debugging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9d4f648d804555b00f76ae34c63b7e91","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Concepts","order":1,"contentType":"LEARNING","contentSlug":"file-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_68c36972426fca538a1fdf5ae2cbc60d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Access Methods","order":2,"contentType":"LEARNING","contentSlug":"os-access-methods","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a18e62e8b77fcff0841a1e0002a80439","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Directory Structure","order":3,"contentType":"LEARNING","contentSlug":"directory-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4c3785c374dc010145535df7a559fd77","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Directory Operations","order":4,"contentType":"LEARNING","contentSlug":"directory-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_585e7e8efc4278fca3fcac513a128811","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Protection: Securing Persistent Data","order":5,"contentType":"LEARNING","contentSlug":"file-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2a23330117de15b869ddf401e620bf88","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Hard and Soft Links","order":6,"contentType":"LEARNING","contentSlug":"hard-and-soft-links","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ae8196d972184c1fb01e625013fdb61d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"File System Layers","order":1,"contentType":"LEARNING","contentSlug":"file-system-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_654aa70ff1777323fe5ef221936613bb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Contiguous Allocation","order":2,"contentType":"LEARNING","contentSlug":"contiguous-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_fbf33871afbf019e562093e3119c4d3a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Linked Allocation","order":3,"contentType":"LEARNING","contentSlug":"linked-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e89504616e41380fb66c9bc7549c526a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Indexed Allocation","order":4,"contentType":"LEARNING","contentSlug":"indexed-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a29fa5e68534fb8b13b3fd10b7fc7f13","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Free Space Management","order":5,"contentType":"LEARNING","contentSlug":"free-space-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ccc909d59a36cc82306083d967779488","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Directory Implementation","order":6,"contentType":"LEARNING","contentSlug":"directory-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e288c30d588f632bca1015d3b7d1d967","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"FAT File System","order":1,"contentType":"LEARNING","contentSlug":"fat-file-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0e5ef8e12d36838f2bc357f4c3cd7244","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Unix inode Structure","order":2,"contentType":"LEARNING","contentSlug":"unix-inode-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_56e16005c30759a706a200021da04ae6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Ext2/Ext3/Ext4 File Systems","order":3,"contentType":"LEARNING","contentSlug":"ext2-ext3-ext4","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3a6f1e8af132baebcf9bc66d41f8229b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"NTFS: The New Technology File System","order":4,"contentType":"LEARNING","contentSlug":"ntfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9b66121878b62d9b69998cb11ec9ec42","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"File System Comparison","order":5,"contentType":"LEARNING","contentSlug":"file-system-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2e746179b8be1e14a01b787b24e5f850","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Virtual File System (VFS)","order":6,"contentType":"LEARNING","contentSlug":"virtual-file-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_74f91fafd54bf70e7300885294996f74","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Buffer Cache","order":1,"contentType":"LEARNING","contentSlug":"buffer-cache","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_f97fa5a7bb9ec68b4c5c378519c9947e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Read-Ahead: Anticipatory Data Loading","order":2,"contentType":"LEARNING","contentSlug":"read-ahead","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4ff36a28802b87f8d1b0110f896e90f7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Write Strategies","order":3,"contentType":"LEARNING","contentSlug":"write-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_de3bf4f804174e8bf94545b9ade710fc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"File System Journaling","order":4,"contentType":"LEARNING","contentSlug":"journaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_df49786f6ab3859c097bc8a5986ea705","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Log-Structured File Systems","order":5,"contentType":"LEARNING","contentSlug":"log-structured-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5b79405957967bc1319d5dc5002a30b7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Defragmentation","order":6,"contentType":"LEARNING","contentSlug":"defragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0783892a9efc4847e680aefa1eb1dbd9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Copy-on-Write File Systems","order":1,"contentType":"LEARNING","contentSlug":"copy-on-write-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_669094127e382a299679705ee6352f80","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"ZFS: The Zettabyte File System","order":2,"contentType":"LEARNING","contentSlug":"zfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e94b6844ed3f8d3875703200ba21c67b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Btrfs: The B-tree File System","order":3,"contentType":"LEARNING","contentSlug":"btrfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ecaafe317263daf4d330ff6223034212","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Network File Systems","order":4,"contentType":"LEARNING","contentSlug":"network-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_348639a90a49d0f3cc73af6949019912","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Distributed File Systems","order":5,"contentType":"LEARNING","contentSlug":"os-advanced-file-systems-distributed-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_90c8994cdf03311d15aa405ac087cccb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Special File Systems","order":6,"contentType":"LEARNING","contentSlug":"special-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_52cf25b095195030c7b7a9eebbc7dc12","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Understanding I/O Device Types","order":1,"contentType":"LEARNING","contentSlug":"io-device-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b4ba4edb77f767cdae8aa4c601d9a0c6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"I/O Controllers","order":2,"contentType":"LEARNING","contentSlug":"io-controllers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e6fca3745885ef9f31d6630257b669e6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Memory-Mapped I/O","order":3,"contentType":"LEARNING","contentSlug":"memory-mapped-io","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_de8da1a4808b50d35a225192f8911286","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Interrupts: Hardware-Level I/O Signaling","order":4,"contentType":"LEARNING","contentSlug":"interrupts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_935f708c695ec34c1ffdef3b375abb42","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Direct Memory Access (DMA)","order":5,"contentType":"LEARNING","contentSlug":"dma","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9e17272b0a078d2317c5b2f754dd8dc8","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"I/O Hardware Performance","order":6,"contentType":"LEARNING","contentSlug":"io-hardware-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8744fb5632c645a7b4c14d07cb8adba2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"I/O Software Layers","order":1,"contentType":"LEARNING","contentSlug":"io-software-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2d816fe215216599e611129eb97a2765","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Device Drivers","order":2,"contentType":"LEARNING","contentSlug":"device-drivers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1b4b2075cf9f19f78d4f153fd76f37a9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Blocking and Non-Blocking I/O","order":3,"contentType":"LEARNING","contentSlug":"blocking-non-blocking-io","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d7a542eee0ffd939883207e8cd036788","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"I/O Buffering Strategies","order":4,"contentType":"LEARNING","contentSlug":"buffering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_50e647b54466c570bd30a2e31e046629","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Caching","order":5,"contentType":"LEARNING","contentSlug":"io-software-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d9dcdc2a6a17bbd82aa46697c8c541d4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Spooling: Simultaneous Peripheral Operations Online","order":6,"contentType":"LEARNING","contentSlug":"spooling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ea683bf5bc780d22be5ea3a6b6a2df8f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Disk Structure","order":1,"contentType":"LEARNING","contentSlug":"os-disk-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b792d831b502998a10262be656af61fd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Disk Scheduling Algorithms","order":2,"contentType":"LEARNING","contentSlug":"disk-scheduling-algorithms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_1d27a139166d008bcbb33a28e9e0a7d3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"RAID: Redundant Array of Independent Disks","order":3,"contentType":"LEARNING","contentSlug":"raid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_50536e42456716a82a654117fa00d666","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"SSD Internals: Understanding Solid-State Storage","order":4,"contentType":"LEARNING","contentSlug":"ssd-internals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d82e020b33a77e7dcc16816323dbfb06","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"NVMe: Non-Volatile Memory Express","order":5,"contentType":"LEARNING","contentSlug":"nvme","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5ff63fd794b2aa434ca1c0b353d62500","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Storage Virtualization","order":6,"contentType":"LEARNING","contentSlug":"storage-virtualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8038fe2525f524bce7b4f4a2ab588680","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Protection Goals","order":1,"contentType":"LEARNING","contentSlug":"protection-goals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_57d09e513d060d1b3ad6bbddc88532a7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Protection Domains","order":2,"contentType":"LEARNING","contentSlug":"protection-domains","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_4c9a659dab4610c51609c717f5360107","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Access Matrix: The Foundation of Access Control","order":3,"contentType":"LEARNING","contentSlug":"access-matrix","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2d052e562006a3a7735c7a2731f4776e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Access Control Lists","order":4,"contentType":"LEARNING","contentSlug":"access-control-lists","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_d95afefaba73cc8166ed7c4fc0621d55","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Capabilities","order":5,"contentType":"LEARNING","contentSlug":"capabilities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e5aacf65753fcef0f1e2de0ff83eeb8c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Sandboxing","order":6,"contentType":"LEARNING","contentSlug":"sandboxing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_661f04c10476a36ba0b1dc15089d8af6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Security Threats","order":1,"contentType":"LEARNING","contentSlug":"security-threats","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_c0ced91be0f6156afc67e942bb07a1e6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Authentication","order":2,"contentType":"LEARNING","contentSlug":"os-authentication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_b55aa2d35564316630cec01ae1473791","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Authorization: Controlling Access to System Resources","order":3,"contentType":"LEARNING","contentSlug":"authorization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_7d982ddbf20076ad51ffe2947767fe14","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Cryptography Basics","order":4,"contentType":"LEARNING","contentSlug":"cryptography-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_166a436e93afef09445829f03c244683","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Secure Communication","order":5,"contentType":"LEARNING","contentSlug":"secure-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e85c81bbb33e0b8b7c0ee57efadc6eda","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Auditing and Logging","order":6,"contentType":"LEARNING","contentSlug":"auditing-and-logging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a09ed2e8a0d6ff26dbc713556ceaa501","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Buffer Overflow Attacks","order":1,"contentType":"LEARNING","contentSlug":"buffer-overflow-attacks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_88490dee40ff1c17bc1d7cc7a5fc2737","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Defense Mechanisms","order":2,"contentType":"LEARNING","contentSlug":"defense-mechanisms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3c885ca5f084f5a46db11b2f4904505c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"SELinux: Security-Enhanced Linux","order":3,"contentType":"LEARNING","contentSlug":"selinux","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_53f8367ac99085d8b9f1636f6e40e250","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Secure Boot: Establishing Trust from Power-On","order":4,"contentType":"LEARNING","contentSlug":"secure-boot","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2fd02ecee39dc208c34829e2cc433bf1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Hardware Security Vulnerabilities","order":5,"contentType":"LEARNING","contentSlug":"hardware-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ebd27878fc4e4cb03d9f14ded9fafa8e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Security Best Practices","order":6,"contentType":"LEARNING","contentSlug":"security-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_47e2f9add150afb6f6a6573256e2c78d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Virtualization Concepts","order":1,"contentType":"LEARNING","contentSlug":"virtualization-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2968c0434f11eeb6c77f487eba6bb291","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Hypervisor Types: Architecture and Implementation","order":2,"contentType":"LEARNING","contentSlug":"hypervisor-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9b32a7d354aba80297085f1317152615","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Hardware Virtualization Support","order":3,"contentType":"LEARNING","contentSlug":"hardware-virtualization-support","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_ae57234d6ead69d3f5f3d05a27b6571a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Paravirtualization","order":4,"contentType":"LEARNING","contentSlug":"paravirtualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_266acd941f8f2406cd8a88df011fc9f5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Containers","order":5,"contentType":"LEARNING","contentSlug":"containers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_f3e720331ca608163176e6e083d6d993","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Linux Namespaces and Control Groups","order":6,"contentType":"LEARNING","contentSlug":"namespaces-and-cgroups","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_c67c51597f380f37ebb931c1ca2a8228","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed System Concepts","order":1,"contentType":"LEARNING","contentSlug":"distributed-system-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_5020ea10920f2ccac9fac6814bc1fbce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Communication in Distributed Systems","order":2,"contentType":"LEARNING","contentSlug":"distributed-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_95cf1ce4325b68ee048ba986103c9155","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed Clocks and Time Synchronization","order":3,"contentType":"LEARNING","contentSlug":"distributed-clocks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_07d7f230ea620df583b7f981cee9a418","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed Coordination","order":4,"contentType":"LEARNING","contentSlug":"distributed-coordination","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8016eb77a27f90d20ec661baafebcdaf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Cloud Computing","order":5,"contentType":"LEARNING","contentSlug":"cloud-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_fcf64e71390497b8acc672168e76eda0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time Operating System Concepts","order":1,"contentType":"LEARNING","contentSlug":"real-time-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_469662648f26ffac0c451852d788fcd6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Priority Inversion","order":2,"contentType":"LEARNING","contentSlug":"priority-inversion","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_98b407e4e164750e3a68981a098f74ef","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time OS Features","order":3,"contentType":"LEARNING","contentSlug":"real-time-os-features","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_abd44044a3a187d5af92b7716924a3a0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time Linux","order":4,"contentType":"LEARNING","contentSlug":"real-time-linux","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_9e6d4f577a93d716f3e7fbf19a9c0e64","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"RTOS Examples","order":5,"contentType":"LEARNING","contentSlug":"rtos-examples","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_3f88e5cb45ad5060c9edf802a12f37c5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Kernel Architecture","order":1,"contentType":"LEARNING","contentSlug":"linux-kernel-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2c41c3e1c0341c349751860904901bdd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Process Management","order":2,"contentType":"LEARNING","contentSlug":"linux-process-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_8c94706184061e777cf1aaedccb0cc01","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux File Systems","order":3,"contentType":"LEARNING","contentSlug":"linux-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_a8c39b926ec49c0218ba46234e830728","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Networking","order":4,"contentType":"LEARNING","contentSlug":"linux-networking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_0740281df0c7941405c2dd7a5d6961fa","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"eBPF: The Linux Kernel's Programmability Revolution","order":5,"contentType":"LEARNING","contentSlug":"ebpf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_c2ecb2e85e9e2d5627d3d741590fec9f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design And Interview","sectionOrder":46,"title":"Operating System Design Principles","order":1,"contentType":"LEARNING","contentSlug":"os-design-principles","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_bc3130db7917207d80f7ae4ef50a9318","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design And Interview","sectionOrder":46,"title":"Interview Problem Types","order":2,"contentType":"LEARNING","contentSlug":"interview-problem-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_e2513a76988d732572d92d681041d094","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Classic Operating System Problems","order":1,"contentType":"LEARNING","contentSlug":"classic-os-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_64eb8d30a7a4ba66acb0bd28e5e96496","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Numerical Problems in Operating Systems","order":2,"contentType":"LEARNING","contentSlug":"os-numerical-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_2b5c7aa0affd151ce761f39d33566b14","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Conceptual Questions","order":3,"contentType":"LEARNING","contentSlug":"conceptual-questions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"},{"id":"seed_53d78947ce21d614c8f2e296cfc31dec","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Operating System Project Ideas","order":4,"contentType":"LEARNING","contentSlug":"os-project-ideas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z"}],"sections":[{"title":"Chapter 1: Introduction To Operating Systems","order":1,"modules":["$46:props:state:queries:0:state:data:json:modules:0","$46:props:state:queries:0:state:data:json:modules:1","$46:props:state:queries:0:state:data:json:modules:2","$46:props:state:queries:0:state:data:json:modules:3","$46:props:state:queries:0:state:data:json:modules:4","$46:props:state:queries:0:state:data:json:modules:5"]},{"title":"Chapter 2: Computer Architecture Fundamentals","order":2,"modules":["$46:props:state:queries:0:state:data:json:modules:6","$46:props:state:queries:0:state:data:json:modules:7","$46:props:state:queries:0:state:data:json:modules:8","$46:props:state:queries:0:state:data:json:modules:9","$46:props:state:queries:0:state:data:json:modules:10","$46:props:state:queries:0:state:data:json:modules:11"]},{"title":"Chapter 3: Os Structures","order":3,"modules":["$46:props:state:queries:0:state:data:json:modules:12","$46:props:state:queries:0:state:data:json:modules:13","$46:props:state:queries:0:state:data:json:modules:14","$46:props:state:queries:0:state:data:json:modules:15","$46:props:state:queries:0:state:data:json:modules:16","$46:props:state:queries:0:state:data:json:modules:17"]},{"title":"Chapter 4: System Calls And Api","order":4,"modules":["$46:props:state:queries:0:state:data:json:modules:18","$46:props:state:queries:0:state:data:json:modules:19","$46:props:state:queries:0:state:data:json:modules:20","$46:props:state:queries:0:state:data:json:modules:21","$46:props:state:queries:0:state:data:json:modules:22"]},{"title":"Chapter 4: System Calls Api","order":5,"modules":["$46:props:state:queries:0:state:data:json:modules:23"]},{"title":"Chapter 5: Process Concepts","order":6,"modules":["$46:props:state:queries:0:state:data:json:modules:24","$46:props:state:queries:0:state:data:json:modules:25","$46:props:state:queries:0:state:data:json:modules:26","$46:props:state:queries:0:state:data:json:modules:27","$46:props:state:queries:0:state:data:json:modules:28","$46:props:state:queries:0:state:data:json:modules:29"]},{"title":"Chapter 6: Process Creation And Termination","order":7,"modules":["$46:props:state:queries:0:state:data:json:modules:30","$46:props:state:queries:0:state:data:json:modules:31","$46:props:state:queries:0:state:data:json:modules:32","$46:props:state:queries:0:state:data:json:modules:33","$46:props:state:queries:0:state:data:json:modules:34"]},{"title":"Chapter 6: Process Creation Termination","order":8,"modules":["$46:props:state:queries:0:state:data:json:modules:35"]},{"title":"Chapter 7: Inter Process Communication","order":9,"modules":["$46:props:state:queries:0:state:data:json:modules:36","$46:props:state:queries:0:state:data:json:modules:37","$46:props:state:queries:0:state:data:json:modules:38","$46:props:state:queries:0:state:data:json:modules:39","$46:props:state:queries:0:state:data:json:modules:40","$46:props:state:queries:0:state:data:json:modules:41"]},{"title":"Chapter 8: Cpu Scheduling","order":10,"modules":["$46:props:state:queries:0:state:data:json:modules:42","$46:props:state:queries:0:state:data:json:modules:43","$46:props:state:queries:0:state:data:json:modules:44","$46:props:state:queries:0:state:data:json:modules:45","$46:props:state:queries:0:state:data:json:modules:46","$46:props:state:queries:0:state:data:json:modules:47"]},{"title":"Chapter 9: Thread Concepts","order":11,"modules":["$46:props:state:queries:0:state:data:json:modules:48","$46:props:state:queries:0:state:data:json:modules:49","$46:props:state:queries:0:state:data:json:modules:50","$46:props:state:queries:0:state:data:json:modules:51","$46:props:state:queries:0:state:data:json:modules:52","$46:props:state:queries:0:state:data:json:modules:53"]},{"title":"Chapter 10: Concurrent Programming","order":12,"modules":["$46:props:state:queries:0:state:data:json:modules:54","$46:props:state:queries:0:state:data:json:modules:55","$46:props:state:queries:0:state:data:json:modules:56","$46:props:state:queries:0:state:data:json:modules:57","$46:props:state:queries:0:state:data:json:modules:58","$46:props:state:queries:0:state:data:json:modules:59"]},{"title":"Chapter 11: Cpu Scheduling Advanced","order":13,"modules":["$46:props:state:queries:0:state:data:json:modules:60","$46:props:state:queries:0:state:data:json:modules:61","$46:props:state:queries:0:state:data:json:modules:62","$46:props:state:queries:0:state:data:json:modules:63","$46:props:state:queries:0:state:data:json:modules:64","$46:props:state:queries:0:state:data:json:modules:65"]},{"title":"Chapter 12: Synchronization Fundamentals","order":14,"modules":["$46:props:state:queries:0:state:data:json:modules:66","$46:props:state:queries:0:state:data:json:modules:67","$46:props:state:queries:0:state:data:json:modules:68","$46:props:state:queries:0:state:data:json:modules:69","$46:props:state:queries:0:state:data:json:modules:70","$46:props:state:queries:0:state:data:json:modules:71"]},{"title":"Chapter 13: Locks And Hardware Support","order":15,"modules":["$46:props:state:queries:0:state:data:json:modules:72"]},{"title":"Chapter 13: Locks Hardware Support","order":16,"modules":["$46:props:state:queries:0:state:data:json:modules:73","$46:props:state:queries:0:state:data:json:modules:74","$46:props:state:queries:0:state:data:json:modules:75","$46:props:state:queries:0:state:data:json:modules:76","$46:props:state:queries:0:state:data:json:modules:77"]},{"title":"Chapter 14: Semaphores And Classic Problems","order":17,"modules":["$46:props:state:queries:0:state:data:json:modules:78","$46:props:state:queries:0:state:data:json:modules:79","$46:props:state:queries:0:state:data:json:modules:80"]},{"title":"Chapter 14: Semaphores Classic Problems","order":18,"modules":["$46:props:state:queries:0:state:data:json:modules:81","$46:props:state:queries:0:state:data:json:modules:82","$46:props:state:queries:0:state:data:json:modules:83"]},{"title":"Chapter 15: Monitors And Condition Variables","order":19,"modules":["$46:props:state:queries:0:state:data:json:modules:84","$46:props:state:queries:0:state:data:json:modules:85","$46:props:state:queries:0:state:data:json:modules:86"]},{"title":"Chapter 15: Monitors Condition Variables","order":20,"modules":["$46:props:state:queries:0:state:data:json:modules:87","$46:props:state:queries:0:state:data:json:modules:88","$46:props:state:queries:0:state:data:json:modules:89"]},{"title":"Chapter 16: Deadlocks","order":21,"modules":["$46:props:state:queries:0:state:data:json:modules:90","$46:props:state:queries:0:state:data:json:modules:91","$46:props:state:queries:0:state:data:json:modules:92","$46:props:state:queries:0:state:data:json:modules:93","$46:props:state:queries:0:state:data:json:modules:94","$46:props:state:queries:0:state:data:json:modules:95"]},{"title":"Chapter 17: Memory Management Fundamentals","order":22,"modules":["$46:props:state:queries:0:state:data:json:modules:96","$46:props:state:queries:0:state:data:json:modules:97","$46:props:state:queries:0:state:data:json:modules:98","$46:props:state:queries:0:state:data:json:modules:99","$46:props:state:queries:0:state:data:json:modules:100","$46:props:state:queries:0:state:data:json:modules:101"]},{"title":"Chapter 18: Contiguous Allocation","order":23,"modules":["$46:props:state:queries:0:state:data:json:modules:102","$46:props:state:queries:0:state:data:json:modules:103","$46:props:state:queries:0:state:data:json:modules:104","$46:props:state:queries:0:state:data:json:modules:105","$46:props:state:queries:0:state:data:json:modules:106","$46:props:state:queries:0:state:data:json:modules:107"]},{"title":"Chapter 19: Paging","order":24,"modules":["$46:props:state:queries:0:state:data:json:modules:108","$46:props:state:queries:0:state:data:json:modules:109","$46:props:state:queries:0:state:data:json:modules:110","$46:props:state:queries:0:state:data:json:modules:111","$46:props:state:queries:0:state:data:json:modules:112","$46:props:state:queries:0:state:data:json:modules:113"]},{"title":"Chapter 20: Segmentation","order":25,"modules":["$46:props:state:queries:0:state:data:json:modules:114","$46:props:state:queries:0:state:data:json:modules:115","$46:props:state:queries:0:state:data:json:modules:116","$46:props:state:queries:0:state:data:json:modules:117","$46:props:state:queries:0:state:data:json:modules:118","$46:props:state:queries:0:state:data:json:modules:119"]},{"title":"Chapter 21: Virtual Memory","order":26,"modules":["$46:props:state:queries:0:state:data:json:modules:120","$46:props:state:queries:0:state:data:json:modules:121","$46:props:state:queries:0:state:data:json:modules:122","$46:props:state:queries:0:state:data:json:modules:123","$46:props:state:queries:0:state:data:json:modules:124","$46:props:state:queries:0:state:data:json:modules:125"]},{"title":"Chapter 22: Page Replacement","order":27,"modules":["$46:props:state:queries:0:state:data:json:modules:126","$46:props:state:queries:0:state:data:json:modules:127","$46:props:state:queries:0:state:data:json:modules:128","$46:props:state:queries:0:state:data:json:modules:129","$46:props:state:queries:0:state:data:json:modules:130","$46:props:state:queries:0:state:data:json:modules:131"]},{"title":"Chapter 23: Frame Allocation And Thrashing","order":28,"modules":["$46:props:state:queries:0:state:data:json:modules:132","$46:props:state:queries:0:state:data:json:modules:133","$46:props:state:queries:0:state:data:json:modules:134","$46:props:state:queries:0:state:data:json:modules:135"]},{"title":"Chapter 23: Frame Allocation Thrashing","order":29,"modules":["$46:props:state:queries:0:state:data:json:modules:136"]},{"title":"Chapter 24: Memory Management In Practice","order":30,"modules":["$46:props:state:queries:0:state:data:json:modules:137","$46:props:state:queries:0:state:data:json:modules:138","$46:props:state:queries:0:state:data:json:modules:139","$46:props:state:queries:0:state:data:json:modules:140","$46:props:state:queries:0:state:data:json:modules:141","$46:props:state:queries:0:state:data:json:modules:142"]},{"title":"Chapter 25: File System Concepts","order":31,"modules":["$46:props:state:queries:0:state:data:json:modules:143","$46:props:state:queries:0:state:data:json:modules:144","$46:props:state:queries:0:state:data:json:modules:145","$46:props:state:queries:0:state:data:json:modules:146","$46:props:state:queries:0:state:data:json:modules:147","$46:props:state:queries:0:state:data:json:modules:148"]},{"title":"Chapter 26: File System Implementation","order":32,"modules":["$46:props:state:queries:0:state:data:json:modules:149","$46:props:state:queries:0:state:data:json:modules:150","$46:props:state:queries:0:state:data:json:modules:151","$46:props:state:queries:0:state:data:json:modules:152","$46:props:state:queries:0:state:data:json:modules:153","$46:props:state:queries:0:state:data:json:modules:154"]},{"title":"Chapter 27: File System Structures","order":33,"modules":["$46:props:state:queries:0:state:data:json:modules:155","$46:props:state:queries:0:state:data:json:modules:156","$46:props:state:queries:0:state:data:json:modules:157","$46:props:state:queries:0:state:data:json:modules:158","$46:props:state:queries:0:state:data:json:modules:159","$46:props:state:queries:0:state:data:json:modules:160"]},{"title":"Chapter 28: File System Performance","order":34,"modules":["$46:props:state:queries:0:state:data:json:modules:161","$46:props:state:queries:0:state:data:json:modules:162","$46:props:state:queries:0:state:data:json:modules:163","$46:props:state:queries:0:state:data:json:modules:164","$46:props:state:queries:0:state:data:json:modules:165","$46:props:state:queries:0:state:data:json:modules:166"]},{"title":"Chapter 29: Advanced File Systems","order":35,"modules":["$46:props:state:queries:0:state:data:json:modules:167","$46:props:state:queries:0:state:data:json:modules:168","$46:props:state:queries:0:state:data:json:modules:169","$46:props:state:queries:0:state:data:json:modules:170","$46:props:state:queries:0:state:data:json:modules:171","$46:props:state:queries:0:state:data:json:modules:172"]},{"title":"Chapter 30: Io Hardware","order":36,"modules":["$46:props:state:queries:0:state:data:json:modules:173","$46:props:state:queries:0:state:data:json:modules:174","$46:props:state:queries:0:state:data:json:modules:175","$46:props:state:queries:0:state:data:json:modules:176","$46:props:state:queries:0:state:data:json:modules:177","$46:props:state:queries:0:state:data:json:modules:178"]},{"title":"Chapter 31: Io Software","order":37,"modules":["$46:props:state:queries:0:state:data:json:modules:179","$46:props:state:queries:0:state:data:json:modules:180","$46:props:state:queries:0:state:data:json:modules:181","$46:props:state:queries:0:state:data:json:modules:182","$46:props:state:queries:0:state:data:json:modules:183","$46:props:state:queries:0:state:data:json:modules:184"]},{"title":"Chapter 32: Storage Management","order":38,"modules":["$46:props:state:queries:0:state:data:json:modules:185","$46:props:state:queries:0:state:data:json:modules:186","$46:props:state:queries:0:state:data:json:modules:187","$46:props:state:queries:0:state:data:json:modules:188","$46:props:state:queries:0:state:data:json:modules:189","$46:props:state:queries:0:state:data:json:modules:190"]},{"title":"Chapter 33: Protection Mechanisms","order":39,"modules":["$46:props:state:queries:0:state:data:json:modules:191","$46:props:state:queries:0:state:data:json:modules:192","$46:props:state:queries:0:state:data:json:modules:193","$46:props:state:queries:0:state:data:json:modules:194","$46:props:state:queries:0:state:data:json:modules:195","$46:props:state:queries:0:state:data:json:modules:196"]},{"title":"Chapter 34: Security Fundamentals","order":40,"modules":["$46:props:state:queries:0:state:data:json:modules:197","$46:props:state:queries:0:state:data:json:modules:198","$46:props:state:queries:0:state:data:json:modules:199","$46:props:state:queries:0:state:data:json:modules:200","$46:props:state:queries:0:state:data:json:modules:201","$46:props:state:queries:0:state:data:json:modules:202"]},{"title":"Chapter 35: Security In Practice","order":41,"modules":["$46:props:state:queries:0:state:data:json:modules:203","$46:props:state:queries:0:state:data:json:modules:204","$46:props:state:queries:0:state:data:json:modules:205","$46:props:state:queries:0:state:data:json:modules:206","$46:props:state:queries:0:state:data:json:modules:207","$46:props:state:queries:0:state:data:json:modules:208"]},{"title":"Chapter 36: Virtualization","order":42,"modules":["$46:props:state:queries:0:state:data:json:modules:209","$46:props:state:queries:0:state:data:json:modules:210","$46:props:state:queries:0:state:data:json:modules:211","$46:props:state:queries:0:state:data:json:modules:212","$46:props:state:queries:0:state:data:json:modules:213","$46:props:state:queries:0:state:data:json:modules:214"]},{"title":"Chapter 37: Distributed Systems Basics","order":43,"modules":["$46:props:state:queries:0:state:data:json:modules:215","$46:props:state:queries:0:state:data:json:modules:216","$46:props:state:queries:0:state:data:json:modules:217","$46:props:state:queries:0:state:data:json:modules:218","$46:props:state:queries:0:state:data:json:modules:219"]},{"title":"Chapter 38: Real Time Operating Systems","order":44,"modules":["$46:props:state:queries:0:state:data:json:modules:220","$46:props:state:queries:0:state:data:json:modules:221","$46:props:state:queries:0:state:data:json:modules:222","$46:props:state:queries:0:state:data:json:modules:223","$46:props:state:queries:0:state:data:json:modules:224"]},{"title":"Chapter 39: Linux Internals","order":45,"modules":["$46:props:state:queries:0:state:data:json:modules:225","$46:props:state:queries:0:state:data:json:modules:226","$46:props:state:queries:0:state:data:json:modules:227","$46:props:state:queries:0:state:data:json:modules:228","$46:props:state:queries:0:state:data:json:modules:229"]},{"title":"Chapter 40: Os Design And Interview","order":46,"modules":["$46:props:state:queries:0:state:data:json:modules:230","$46:props:state:queries:0:state:data:json:modules:231"]},{"title":"Chapter 40: Os Design Interview","order":47,"modules":["$46:props:state:queries:0:state:data:json:modules:232","$46:props:state:queries:0:state:data:json:modules:233","$46:props:state:queries:0:state:data:json:modules:234","$46:props:state:queries:0:state:data:json:modules:235"]}]},"meta":{"values":{"createdAt":["Date"],"updatedAt":["Date"],"modules.0.createdAt":["Date"],"modules.0.updatedAt":["Date"],"modules.1.createdAt":["Date"],"modules.1.updatedAt":["Date"],"modules.2.createdAt":["Date"],"modules.2.updatedAt":["Date"],"modules.3.createdAt":["Date"],"modules.3.updatedAt":["Date"],"modules.4.createdAt":["Date"],"modules.4.updatedAt":["Date"],"modules.5.createdAt":["Date"],"modules.5.updatedAt":["Date"],"modules.6.createdAt":["Date"],"modules.6.updatedAt":["Date"],"modules.7.createdAt":["Date"],"modules.7.updatedAt":["Date"],"modules.8.createdAt":["Date"],"modules.8.updatedAt":["Date"],"modules.9.createdAt":["Date"],"modules.9.updatedAt":["Date"],"modules.10.createdAt":["Date"],"modules.10.updatedAt":["Date"],"modules.11.createdAt":["Date"],"modules.11.updatedAt":["Date"],"modules.12.createdAt":["Date"],"modules.12.updatedAt":["Date"],"modules.13.createdAt":["Date"],"modules.13.updatedAt":["Date"],"modules.14.createdAt":["Date"],"modules.14.updatedAt":["Date"],"modules.15.createdAt":["Date"],"modules.15.updatedAt":["Date"],"modules.16.createdAt":["Date"],"modules.16.updatedAt":["Date"],"modules.17.createdAt":["Date"],"modules.17.updatedAt":["Date"],"modules.18.createdAt":["Date"],"modules.18.updatedAt":["Date"],"modules.19.createdAt":["Date"],"modules.19.updatedAt":["Date"],"modules.20.createdAt":["Date"],"modules.20.updatedAt":["Date"],"modules.21.createdAt":["Date"],"modules.21.updatedAt":["Date"],"modules.22.createdAt":["Date"],"modules.22.updatedAt":["Date"],"modules.23.createdAt":["Date"],"modules.23.updatedAt":["Date"],"modules.24.createdAt":["Date"],"modules.24.updatedAt":["Date"],"modules.25.createdAt":["Date"],"modules.25.updatedAt":["Date"],"modules.26.createdAt":["Date"],"modules.26.updatedAt":["Date"],"modules.27.createdAt":["Date"],"modules.27.updatedAt":["Date"],"modules.28.createdAt":["Date"],"modules.28.updatedAt":["Date"],"modules.29.createdAt":["Date"],"modules.29.updatedAt":["Date"],"modules.30.createdAt":["Date"],"modules.30.updatedAt":["Date"],"modules.31.createdAt":["Date"],"modules.31.updatedAt":["Date"],"modules.32.createdAt":["Date"],"modules.32.updatedAt":["Date"],"modules.33.createdAt":["Date"],"modules.33.updatedAt":["Date"],"modules.34.createdAt":["Date"],"modules.34.updatedAt":["Date"],"modules.35.createdAt":["Date"],"modules.35.updatedAt":["Date"],"modules.36.createdAt":["Date"],"modules.36.updatedAt":["Date"],"modules.37.createdAt":["Date"],"modules.37.updatedAt":["Date"],"modules.38.createdAt":["Date"],"modules.38.updatedAt":["Date"],"modules.39.createdAt":["Date"],"modules.39.updatedAt":["Date"],"modules.40.createdAt":["Date"],"modules.40.updatedAt":["Date"],"modules.41.createdAt":["Date"],"modules.41.updatedAt":["Date"],"modules.42.createdAt":["Date"],"modules.42.updatedAt":["Date"],"modules.43.createdAt":["Date"],"modules.43.updatedAt":["Date"],"modules.44.createdAt":["Date"],"modules.44.updatedAt":["Date"],"modules.45.createdAt":["Date"],"modules.45.updatedAt":["Date"],"modules.46.createdAt":["Date"],"modules.46.updatedAt":["Date"],"modules.47.createdAt":["Date"],"modules.47.updatedAt":["Date"],"modules.48.createdAt":["Date"],"modules.48.updatedAt":["Date"],"modules.49.createdAt":["Date"],"modules.49.updatedAt":["Date"],"modules.50.createdAt":["Date"],"modules.50.updatedAt":["Date"],"modules.51.createdAt":["Date"],"modules.51.updatedAt":["Date"],"modules.52.createdAt":["Date"],"modules.52.updatedAt":["Date"],"modules.53.createdAt":["Date"],"modules.53.updatedAt":["Date"],"modules.54.createdAt":["Date"],"modules.54.updatedAt":["Date"],"modules.55.createdAt":["Date"],"modules.55.updatedAt":["Date"],"modules.56.createdAt":["Date"],"modules.56.updatedAt":["Date"],"modules.57.createdAt":["Date"],"modules.57.updatedAt":["Date"],"modules.58.createdAt":["Date"],"modules.58.updatedAt":["Date"],"modules.59.createdAt":["Date"],"modules.59.updatedAt":["Date"],"modules.60.createdAt":["Date"],"modules.60.updatedAt":["Date"],"modules.61.createdAt":["Date"],"modules.61.updatedAt":["Date"],"modules.62.createdAt":["Date"],"modules.62.updatedAt":["Date"],"modules.63.createdAt":["Date"],"modules.63.updatedAt":["Date"],"modules.64.createdAt":["Date"],"modules.64.updatedAt":["Date"],"modules.65.createdAt":["Date"],"modules.65.updatedAt":["Date"],"modules.66.createdAt":["Date"],"modules.66.updatedAt":["Date"],"modules.67.createdAt":["Date"],"modules.67.updatedAt":["Date"],"modules.68.createdAt":["Date"],"modules.68.updatedAt":["Date"],"modules.69.createdAt":["Date"],"modules.69.updatedAt":["Date"],"modules.70.createdAt":["Date"],"modules.70.updatedAt":["Date"],"modules.71.createdAt":["Date"],"modules.71.updatedAt":["Date"],"modules.72.createdAt":["Date"],"modules.72.updatedAt":["Date"],"modules.73.createdAt":["Date"],"modules.73.updatedAt":["Date"],"modules.74.createdAt":["Date"],"modules.74.updatedAt":["Date"],"modules.75.createdAt":["Date"],"modules.75.updatedAt":["Date"],"modules.76.createdAt":["Date"],"modules.76.updatedAt":["Date"],"modules.77.createdAt":["Date"],"modules.77.updatedAt":["Date"],"modules.78.createdAt":["Date"],"modules.78.updatedAt":["Date"],"modules.79.createdAt":["Date"],"modules.79.updatedAt":["Date"],"modules.80.createdAt":["Date"],"modules.80.updatedAt":["Date"],"modules.81.createdAt":["Date"],"modules.81.updatedAt":["Date"],"modules.82.createdAt":["Date"],"modules.82.updatedAt":["Date"],"modules.83.createdAt":["Date"],"modules.83.updatedAt":["Date"],"modules.84.createdAt":["Date"],"modules.84.updatedAt":["Date"],"modules.85.createdAt":["Date"],"modules.85.updatedAt":["Date"],"modules.86.createdAt":["Date"],"modules.86.updatedAt":["Date"],"modules.87.createdAt":["Date"],"modules.87.updatedAt":["Date"],"modules.88.createdAt":["Date"],"modules.88.updatedAt":["Date"],"modules.89.createdAt":["Date"],"modules.89.updatedAt":["Date"],"modules.90.createdAt":["Date"],"modules.90.updatedAt":["Date"],"modules.91.createdAt":["Date"],"modules.91.updatedAt":["Date"],"modules.92.createdAt":["Date"],"modules.92.updatedAt":["Date"],"modules.93.createdAt":["Date"],"modules.93.updatedAt":["Date"],"modules.94.createdAt":["Date"],"modules.94.updatedAt":["Date"],"modules.95.createdAt":["Date"],"modules.95.updatedAt":["Date"],"modules.96.createdAt":["Date"],"modules.96.updatedAt":["Date"],"modules.97.createdAt":["Date"],"modules.97.updatedAt":["Date"],"modules.98.createdAt":["Date"],"modules.98.updatedAt":["Date"],"modules.99.createdAt":["Date"],"modules.99.updatedAt":["Date"],"modules.100.createdAt":["Date"],"modules.100.updatedAt":["Date"],"modules.101.createdAt":["Date"],"modules.101.updatedAt":["Date"],"modules.102.createdAt":["Date"],"modules.102.updatedAt":["Date"],"modules.103.createdAt":["Date"],"modules.103.updatedAt":["Date"],"modules.104.createdAt":["Date"],"modules.104.updatedAt":["Date"],"modules.105.createdAt":["Date"],"modules.105.updatedAt":["Date"],"modules.106.createdAt":["Date"],"modules.106.updatedAt":["Date"],"modules.107.createdAt":["Date"],"modules.107.updatedAt":["Date"],"modules.108.createdAt":["Date"],"modules.108.updatedAt":["Date"],"modules.109.createdAt":["Date"],"modules.109.updatedAt":["Date"],"modules.110.createdAt":["Date"],"modules.110.updatedAt":["Date"],"modules.111.createdAt":["Date"],"modules.111.updatedAt":["Date"],"modules.112.createdAt":["Date"],"modules.112.updatedAt":["Date"],"modules.113.createdAt":["Date"],"modules.113.updatedAt":["Date"],"modules.114.createdAt":["Date"],"modules.114.updatedAt":["Date"],"modules.115.createdAt":["Date"],"modules.115.updatedAt":["Date"],"modules.116.createdAt":["Date"],"modules.116.updatedAt":["Date"],"modules.117.createdAt":["Date"],"modules.117.updatedAt":["Date"],"modules.118.createdAt":["Date"],"modules.118.updatedAt":["Date"],"modules.119.createdAt":["Date"],"modules.119.updatedAt":["Date"],"modules.120.createdAt":["Date"],"modules.120.updatedAt":["Date"],"modules.121.createdAt":["Date"],"modules.121.updatedAt":["Date"],"modules.122.createdAt":["Date"],"modules.122.updatedAt":["Date"],"modules.123.createdAt":["Date"],"modules.123.updatedAt":["Date"],"modules.124.createdAt":["Date"],"modules.124.updatedAt":["Date"],"modules.125.createdAt":["Date"],"modules.125.updatedAt":["Date"],"modules.126.createdAt":["Date"],"modules.126.updatedAt":["Date"],"modules.127.createdAt":["Date"],"modules.127.updatedAt":["Date"],"modules.128.createdAt":["Date"],"modules.128.updatedAt":["Date"],"modules.129.createdAt":["Date"],"modules.129.updatedAt":["Date"],"modules.130.createdAt":["Date"],"modules.130.updatedAt":["Date"],"modules.131.createdAt":["Date"],"modules.131.updatedAt":["Date"],"modules.132.createdAt":["Date"],"modules.132.updatedAt":["Date"],"modules.133.createdAt":["Date"],"modules.133.updatedAt":["Date"],"modules.134.createdAt":["Date"],"modules.134.updatedAt":["Date"],"modules.135.createdAt":["Date"],"modules.135.updatedAt":["Date"],"modules.136.createdAt":["Date"],"modules.136.updatedAt":["Date"],"modules.137.createdAt":["Date"],"modules.137.updatedAt":["Date"],"modules.138.createdAt":["Date"],"modules.138.updatedAt":["Date"],"modules.139.createdAt":["Date"],"modules.139.updatedAt":["Date"],"modules.140.createdAt":["Date"],"modules.140.updatedAt":["Date"],"modules.141.createdAt":["Date"],"modules.141.updatedAt":["Date"],"modules.142.createdAt":["Date"],"modules.142.updatedAt":["Date"],"modules.143.createdAt":["Date"],"modules.143.updatedAt":["Date"],"modules.144.createdAt":["Date"],"modules.144.updatedAt":["Date"],"modules.145.createdAt":["Date"],"modules.145.updatedAt":["Date"],"modules.146.createdAt":["Date"],"modules.146.updatedAt":["Date"],"modules.147.createdAt":["Date"],"modules.147.updatedAt":["Date"],"modules.148.createdAt":["Date"],"modules.148.updatedAt":["Date"],"modules.149.createdAt":["Date"],"modules.149.updatedAt":["Date"],"modules.150.createdAt":["Date"],"modules.150.updatedAt":["Date"],"modules.151.createdAt":["Date"],"modules.151.updatedAt":["Date"],"modules.152.createdAt":["Date"],"modules.152.updatedAt":["Date"],"modules.153.createdAt":["Date"],"modules.153.updatedAt":["Date"],"modules.154.createdAt":["Date"],"modules.154.updatedAt":["Date"],"modules.155.createdAt":["Date"],"modules.155.updatedAt":["Date"],"modules.156.createdAt":["Date"],"modules.156.updatedAt":["Date"],"modules.157.createdAt":["Date"],"modules.157.updatedAt":["Date"],"modules.158.createdAt":["Date"],"modules.158.updatedAt":["Date"],"modules.159.createdAt":["Date"],"modules.159.updatedAt":["Date"],"modules.160.createdAt":["Date"],"modules.160.updatedAt":["Date"],"modules.161.createdAt":["Date"],"modules.161.updatedAt":["Date"],"modules.162.createdAt":["Date"],"modules.162.updatedAt":["Date"],"modules.163.createdAt":["Date"],"modules.163.updatedAt":["Date"],"modules.164.createdAt":["Date"],"modules.164.updatedAt":["Date"],"modules.165.createdAt":["Date"],"modules.165.updatedAt":["Date"],"modules.166.createdAt":["Date"],"modules.166.updatedAt":["Date"],"modules.167.createdAt":["Date"],"modules.167.updatedAt":["Date"],"modules.168.createdAt":["Date"],"modules.168.updatedAt":["Date"],"modules.169.createdAt":["Date"],"modules.169.updatedAt":["Date"],"modules.170.createdAt":["Date"],"modules.170.updatedAt":["Date"],"modules.171.createdAt":["Date"],"modules.171.updatedAt":["Date"],"modules.172.createdAt":["Date"],"modules.172.updatedAt":["Date"],"modules.173.createdAt":["Date"],"modules.173.updatedAt":["Date"],"modules.174.createdAt":["Date"],"modules.174.updatedAt":["Date"],"modules.175.createdAt":["Date"],"modules.175.updatedAt":["Date"],"modules.176.createdAt":["Date"],"modules.176.updatedAt":["Date"],"modules.177.createdAt":["Date"],"modules.177.updatedAt":["Date"],"modules.178.createdAt":["Date"],"modules.178.updatedAt":["Date"],"modules.179.createdAt":["Date"],"modules.179.updatedAt":["Date"],"modules.180.createdAt":["Date"],"modules.180.updatedAt":["Date"],"modules.181.createdAt":["Date"],"modules.181.updatedAt":["Date"],"modules.182.createdAt":["Date"],"modules.182.updatedAt":["Date"],"modules.183.createdAt":["Date"],"modules.183.updatedAt":["Date"],"modules.184.createdAt":["Date"],"modules.184.updatedAt":["Date"],"modules.185.createdAt":["Date"],"modules.185.updatedAt":["Date"],"modules.186.createdAt":["Date"],"modules.186.updatedAt":["Date"],"modules.187.createdAt":["Date"],"modules.187.updatedAt":["Date"],"modules.188.createdAt":["Date"],"modules.188.updatedAt":["Date"],"modules.189.createdAt":["Date"],"modules.189.updatedAt":["Date"],"modules.190.createdAt":["Date"],"modules.190.updatedAt":["Date"],"modules.191.createdAt":["Date"],"modules.191.updatedAt":["Date"],"modules.192.createdAt":["Date"],"modules.192.updatedAt":["Date"],"modules.193.createdAt":["Date"],"modules.193.updatedAt":["Date"],"modules.194.createdAt":["Date"],"modules.194.updatedAt":["Date"],"modules.195.createdAt":["Date"],"modules.195.updatedAt":["Date"],"modules.196.createdAt":["Date"],"modules.196.updatedAt":["Date"],"modules.197.createdAt":["Date"],"modules.197.updatedAt":["Date"],"modules.198.createdAt":["Date"],"modules.198.updatedAt":["Date"],"modules.199.createdAt":["Date"],"modules.199.updatedAt":["Date"],"modules.200.createdAt":["Date"],"modules.200.updatedAt":["Date"],"modules.201.createdAt":["Date"],"modules.201.updatedAt":["Date"],"modules.202.createdAt":["Date"],"modules.202.updatedAt":["Date"],"modules.203.createdAt":["Date"],"modules.203.updatedAt":["Date"],"modules.204.createdAt":["Date"],"modules.204.updatedAt":["Date"],"modules.205.createdAt":["Date"],"modules.205.updatedAt":["Date"],"modules.206.createdAt":["Date"],"modules.206.updatedAt":["Date"],"modules.207.createdAt":["Date"],"modules.207.updatedAt":["Date"],"modules.208.createdAt":["Date"],"modules.208.updatedAt":["Date"],"modules.209.createdAt":["Date"],"modules.209.updatedAt":["Date"],"modules.210.createdAt":["Date"],"modules.210.updatedAt":["Date"],"modules.211.createdAt":["Date"],"modules.211.updatedAt":["Date"],"modules.212.createdAt":["Date"],"modules.212.updatedAt":["Date"],"modules.213.createdAt":["Date"],"modules.213.updatedAt":["Date"],"modules.214.createdAt":["Date"],"modules.214.updatedAt":["Date"],"modules.215.createdAt":["Date"],"modules.215.updatedAt":["Date"],"modules.216.createdAt":["Date"],"modules.216.updatedAt":["Date"],"modules.217.createdAt":["Date"],"modules.217.updatedAt":["Date"],"modules.218.createdAt":["Date"],"modules.218.updatedAt":["Date"],"modules.219.createdAt":["Date"],"modules.219.updatedAt":["Date"],"modules.220.createdAt":["Date"],"modules.220.updatedAt":["Date"],"modules.221.createdAt":["Date"],"modules.221.updatedAt":["Date"],"modules.222.createdAt":["Date"],"modules.222.updatedAt":["Date"],"modules.223.createdAt":["Date"],"modules.223.updatedAt":["Date"],"modules.224.createdAt":["Date"],"modules.224.updatedAt":["Date"],"modules.225.createdAt":["Date"],"modules.225.updatedAt":["Date"],"modules.226.createdAt":["Date"],"modules.226.updatedAt":["Date"],"modules.227.createdAt":["Date"],"modules.227.updatedAt":["Date"],"modules.228.createdAt":["Date"],"modules.228.updatedAt":["Date"],"modules.229.createdAt":["Date"],"modules.229.updatedAt":["Date"],"modules.230.createdAt":["Date"],"modules.230.updatedAt":["Date"],"modules.231.createdAt":["Date"],"modules.231.updatedAt":["Date"],"modules.232.createdAt":["Date"],"modules.232.updatedAt":["Date"],"modules.233.createdAt":["Date"],"modules.233.updatedAt":["Date"],"modules.234.createdAt":["Date"],"modules.234.updatedAt":["Date"],"modules.235.createdAt":["Date"],"modules.235.updatedAt":["Date"],"sections.0.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.0.createdAt","sections.0.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.0.updatedAt","sections.0.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.1.createdAt","sections.0.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.1.updatedAt","sections.0.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.2.createdAt","sections.0.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.2.updatedAt","sections.0.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.3.createdAt","sections.0.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.3.updatedAt","sections.0.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.4.createdAt","sections.0.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.4.updatedAt","sections.0.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.5.createdAt","sections.0.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.5.updatedAt","sections.1.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.6.createdAt","sections.1.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.6.updatedAt","sections.1.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.7.createdAt","sections.1.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.7.updatedAt","sections.1.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.8.createdAt","sections.1.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.8.updatedAt","sections.1.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.9.createdAt","sections.1.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.9.updatedAt","sections.1.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.10.createdAt","sections.1.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.10.updatedAt","sections.1.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.11.createdAt","sections.1.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.11.updatedAt","sections.2.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.12.createdAt","sections.2.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.12.updatedAt","sections.2.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.13.createdAt","sections.2.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.13.updatedAt","sections.2.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.14.createdAt","sections.2.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.14.updatedAt","sections.2.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.15.createdAt","sections.2.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.15.updatedAt","sections.2.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.16.createdAt","sections.2.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.16.updatedAt","sections.2.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.17.createdAt","sections.2.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.17.updatedAt","sections.3.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.18.createdAt","sections.3.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.18.updatedAt","sections.3.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.19.createdAt","sections.3.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.19.updatedAt","sections.3.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.20.createdAt","sections.3.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.20.updatedAt","sections.3.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.21.createdAt","sections.3.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.21.updatedAt","sections.3.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.22.createdAt","sections.3.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.22.updatedAt","sections.4.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.23.createdAt","sections.4.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.23.updatedAt","sections.5.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.24.createdAt","sections.5.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.24.updatedAt","sections.5.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.25.createdAt","sections.5.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.25.updatedAt","sections.5.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.26.createdAt","sections.5.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.26.updatedAt","sections.5.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.27.createdAt","sections.5.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.27.updatedAt","sections.5.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.28.createdAt","sections.5.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.28.updatedAt","sections.5.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.29.createdAt","sections.5.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.29.updatedAt","sections.6.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.30.createdAt","sections.6.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.30.updatedAt","sections.6.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.31.createdAt","sections.6.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.31.updatedAt","sections.6.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.32.createdAt","sections.6.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.32.updatedAt","sections.6.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.33.createdAt","sections.6.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.33.updatedAt","sections.6.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.34.createdAt","sections.6.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.34.updatedAt","sections.7.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.35.createdAt","sections.7.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.35.updatedAt","sections.8.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.36.createdAt","sections.8.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.36.updatedAt","sections.8.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.37.createdAt","sections.8.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.37.updatedAt","sections.8.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.38.createdAt","sections.8.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.38.updatedAt","sections.8.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.39.createdAt","sections.8.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.39.updatedAt","sections.8.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.40.createdAt","sections.8.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.40.updatedAt","sections.8.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.41.createdAt","sections.8.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.41.updatedAt","sections.9.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.42.createdAt","sections.9.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.42.updatedAt","sections.9.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.43.createdAt","sections.9.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.43.updatedAt","sections.9.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.44.createdAt","sections.9.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.44.updatedAt","sections.9.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.45.createdAt","sections.9.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.45.updatedAt","sections.9.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.46.createdAt","sections.9.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.46.updatedAt","sections.9.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.47.createdAt","sections.9.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.47.updatedAt","sections.10.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.48.createdAt","sections.10.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.48.updatedAt","sections.10.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.49.createdAt","sections.10.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.49.updatedAt","sections.10.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.50.createdAt","sections.10.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.50.updatedAt","sections.10.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.51.createdAt","sections.10.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.51.updatedAt","sections.10.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.52.createdAt","sections.10.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.52.updatedAt","sections.10.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.53.createdAt","sections.10.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.53.updatedAt","sections.11.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.54.createdAt","sections.11.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.54.updatedAt","sections.11.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.55.createdAt","sections.11.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.55.updatedAt","sections.11.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.56.createdAt","sections.11.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.56.updatedAt","sections.11.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.57.createdAt","sections.11.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.57.updatedAt","sections.11.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.58.createdAt","sections.11.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.58.updatedAt","sections.11.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.59.createdAt","sections.11.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.59.updatedAt","sections.12.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.60.createdAt","sections.12.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.60.updatedAt","sections.12.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.61.createdAt","sections.12.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.61.updatedAt","sections.12.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.62.createdAt","sections.12.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.62.updatedAt","sections.12.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.63.createdAt","sections.12.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.63.updatedAt","sections.12.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.64.createdAt","sections.12.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.64.updatedAt","sections.12.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.65.createdAt","sections.12.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.65.updatedAt","sections.13.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.66.createdAt","sections.13.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.66.updatedAt","sections.13.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.67.createdAt","sections.13.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.67.updatedAt","sections.13.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.68.createdAt","sections.13.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.68.updatedAt","sections.13.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.69.createdAt","sections.13.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.69.updatedAt","sections.13.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.70.createdAt","sections.13.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.70.updatedAt","sections.13.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.71.createdAt","sections.13.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.71.updatedAt","sections.14.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.72.createdAt","sections.14.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.72.updatedAt","sections.15.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.73.createdAt","sections.15.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.73.updatedAt","sections.15.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.74.createdAt","sections.15.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.74.updatedAt","sections.15.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.75.createdAt","sections.15.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.75.updatedAt","sections.15.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.76.createdAt","sections.15.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.76.updatedAt","sections.15.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.77.createdAt","sections.15.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.77.updatedAt","sections.16.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.78.createdAt","sections.16.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.78.updatedAt","sections.16.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.79.createdAt","sections.16.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.79.updatedAt","sections.16.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.80.createdAt","sections.16.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.80.updatedAt","sections.17.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.81.createdAt","sections.17.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.81.updatedAt","sections.17.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.82.createdAt","sections.17.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.82.updatedAt","sections.17.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.83.createdAt","sections.17.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.83.updatedAt","sections.18.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.84.createdAt","sections.18.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.84.updatedAt","sections.18.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.85.createdAt","sections.18.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.85.updatedAt","sections.18.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.86.createdAt","sections.18.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.86.updatedAt","sections.19.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.87.createdAt","sections.19.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.87.updatedAt","sections.19.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.88.createdAt","sections.19.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.88.updatedAt","sections.19.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.89.createdAt","sections.19.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.89.updatedAt","sections.20.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.90.createdAt","sections.20.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.90.updatedAt","sections.20.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.91.createdAt","sections.20.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.91.updatedAt","sections.20.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.92.createdAt","sections.20.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.92.updatedAt","sections.20.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.93.createdAt","sections.20.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.93.updatedAt","sections.20.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.94.createdAt","sections.20.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.94.updatedAt","sections.20.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.95.createdAt","sections.20.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.95.updatedAt","sections.21.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.96.createdAt","sections.21.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.96.updatedAt","sections.21.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.97.createdAt","sections.21.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.97.updatedAt","sections.21.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.98.createdAt","sections.21.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.98.updatedAt","sections.21.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.99.createdAt","sections.21.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.99.updatedAt","sections.21.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.100.createdAt","sections.21.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.100.updatedAt","sections.21.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.101.createdAt","sections.21.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.101.updatedAt","sections.22.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.102.createdAt","sections.22.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.102.updatedAt","sections.22.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.103.createdAt","sections.22.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.103.updatedAt","sections.22.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.104.createdAt","sections.22.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.104.updatedAt","sections.22.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.105.createdAt","sections.22.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.105.updatedAt","sections.22.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.106.createdAt","sections.22.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.106.updatedAt","sections.22.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.107.createdAt","sections.22.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.107.updatedAt","sections.23.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.108.createdAt","sections.23.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.108.updatedAt","sections.23.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.109.createdAt","sections.23.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.109.updatedAt","sections.23.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.110.createdAt","sections.23.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.110.updatedAt","sections.23.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.111.createdAt","sections.23.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.111.updatedAt","sections.23.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.112.createdAt","sections.23.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.112.updatedAt","sections.23.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.113.createdAt","sections.23.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.113.updatedAt","sections.24.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.114.createdAt","sections.24.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.114.updatedAt","sections.24.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.115.createdAt","sections.24.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.115.updatedAt","sections.24.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.116.createdAt","sections.24.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.116.updatedAt","sections.24.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.117.createdAt","sections.24.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.117.updatedAt","sections.24.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.118.createdAt","sections.24.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.118.updatedAt","sections.24.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.119.createdAt","sections.24.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.119.updatedAt","sections.25.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.120.createdAt","sections.25.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.120.updatedAt","sections.25.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.121.createdAt","sections.25.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.121.updatedAt","sections.25.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.122.createdAt","sections.25.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.122.updatedAt","sections.25.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.123.createdAt","sections.25.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.123.updatedAt","sections.25.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.124.createdAt","sections.25.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.124.updatedAt","sections.25.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.125.createdAt","sections.25.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.125.updatedAt","sections.26.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.126.createdAt","sections.26.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.126.updatedAt","sections.26.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.127.createdAt","sections.26.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.127.updatedAt","sections.26.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.128.createdAt","sections.26.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.128.updatedAt","sections.26.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.129.createdAt","sections.26.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.129.updatedAt","sections.26.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.130.createdAt","sections.26.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.130.updatedAt","sections.26.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.131.createdAt","sections.26.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.131.updatedAt","sections.27.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.132.createdAt","sections.27.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.132.updatedAt","sections.27.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.133.createdAt","sections.27.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.133.updatedAt","sections.27.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.134.createdAt","sections.27.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.134.updatedAt","sections.27.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.135.createdAt","sections.27.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.135.updatedAt","sections.28.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.136.createdAt","sections.28.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.136.updatedAt","sections.29.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.137.createdAt","sections.29.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.137.updatedAt","sections.29.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.138.createdAt","sections.29.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.138.updatedAt","sections.29.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.139.createdAt","sections.29.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.139.updatedAt","sections.29.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.140.createdAt","sections.29.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.140.updatedAt","sections.29.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.141.createdAt","sections.29.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.141.updatedAt","sections.29.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.142.createdAt","sections.29.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.142.updatedAt","sections.30.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.143.createdAt","sections.30.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.143.updatedAt","sections.30.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.144.createdAt","sections.30.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.144.updatedAt","sections.30.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.145.createdAt","sections.30.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.145.updatedAt","sections.30.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.146.createdAt","sections.30.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.146.updatedAt","sections.30.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.147.createdAt","sections.30.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.147.updatedAt","sections.30.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.148.createdAt","sections.30.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.148.updatedAt","sections.31.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.149.createdAt","sections.31.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.149.updatedAt","sections.31.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.150.createdAt","sections.31.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.150.updatedAt","sections.31.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.151.createdAt","sections.31.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.151.updatedAt","sections.31.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.152.createdAt","sections.31.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.152.updatedAt","sections.31.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.153.createdAt","sections.31.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.153.updatedAt","sections.31.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.154.createdAt","sections.31.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.154.updatedAt","sections.32.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.155.createdAt","sections.32.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.155.updatedAt","sections.32.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.156.createdAt","sections.32.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.156.updatedAt","sections.32.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.157.createdAt","sections.32.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.157.updatedAt","sections.32.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.158.createdAt","sections.32.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.158.updatedAt","sections.32.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.159.createdAt","sections.32.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.159.updatedAt","sections.32.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.160.createdAt","sections.32.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.160.updatedAt","sections.33.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.161.createdAt","sections.33.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.161.updatedAt","sections.33.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.162.createdAt","sections.33.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.162.updatedAt","sections.33.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.163.createdAt","sections.33.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.163.updatedAt","sections.33.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.164.createdAt","sections.33.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.164.updatedAt","sections.33.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.165.createdAt","sections.33.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.165.updatedAt","sections.33.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.166.createdAt","sections.33.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.166.updatedAt","sections.34.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.167.createdAt","sections.34.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.167.updatedAt","sections.34.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.168.createdAt","sections.34.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.168.updatedAt","sections.34.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.169.createdAt","sections.34.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.169.updatedAt","sections.34.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.170.createdAt","sections.34.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.170.updatedAt","sections.34.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.171.createdAt","sections.34.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.171.updatedAt","sections.34.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.172.createdAt","sections.34.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.172.updatedAt","sections.35.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.173.createdAt","sections.35.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.173.updatedAt","sections.35.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.174.createdAt","sections.35.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.174.updatedAt","sections.35.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.175.createdAt","sections.35.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.175.updatedAt","sections.35.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.176.createdAt","sections.35.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.176.updatedAt","sections.35.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.177.createdAt","sections.35.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.177.updatedAt","sections.35.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.178.createdAt","sections.35.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.178.updatedAt","sections.36.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.179.createdAt","sections.36.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.179.updatedAt","sections.36.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.180.createdAt","sections.36.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.180.updatedAt","sections.36.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.181.createdAt","sections.36.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.181.updatedAt","sections.36.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.182.createdAt","sections.36.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.182.updatedAt","sections.36.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.183.createdAt","sections.36.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.183.updatedAt","sections.36.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.184.createdAt","sections.36.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.184.updatedAt","sections.37.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.185.createdAt","sections.37.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.185.updatedAt","sections.37.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.186.createdAt","sections.37.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.186.updatedAt","sections.37.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.187.createdAt","sections.37.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.187.updatedAt","sections.37.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.188.createdAt","sections.37.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.188.updatedAt","sections.37.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.189.createdAt","sections.37.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.189.updatedAt","sections.37.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.190.createdAt","sections.37.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.190.updatedAt","sections.38.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.191.createdAt","sections.38.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.191.updatedAt","sections.38.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.192.createdAt","sections.38.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.192.updatedAt","sections.38.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.193.createdAt","sections.38.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.193.updatedAt","sections.38.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.194.createdAt","sections.38.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.194.updatedAt","sections.38.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.195.createdAt","sections.38.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.195.updatedAt","sections.38.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.196.createdAt","sections.38.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.196.updatedAt","sections.39.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.197.createdAt","sections.39.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.197.updatedAt","sections.39.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.198.createdAt","sections.39.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.198.updatedAt","sections.39.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.199.createdAt","sections.39.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.199.updatedAt","sections.39.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.200.createdAt","sections.39.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.200.updatedAt","sections.39.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.201.createdAt","sections.39.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.201.updatedAt","sections.39.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.202.createdAt","sections.39.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.202.updatedAt","sections.40.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.203.createdAt","sections.40.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.203.updatedAt","sections.40.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.204.createdAt","sections.40.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.204.updatedAt","sections.40.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.205.createdAt","sections.40.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.205.updatedAt","sections.40.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.206.createdAt","sections.40.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.206.updatedAt","sections.40.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.207.createdAt","sections.40.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.207.updatedAt","sections.40.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.208.createdAt","sections.40.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.208.updatedAt","sections.41.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.209.createdAt","sections.41.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.209.updatedAt","sections.41.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.210.createdAt","sections.41.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.210.updatedAt","sections.41.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.211.createdAt","sections.41.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.211.updatedAt","sections.41.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.212.createdAt","sections.41.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.212.updatedAt","sections.41.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.213.createdAt","sections.41.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.213.updatedAt","sections.41.modules.5.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.214.createdAt","sections.41.modules.5.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.214.updatedAt","sections.42.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.215.createdAt","sections.42.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.215.updatedAt","sections.42.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.216.createdAt","sections.42.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.216.updatedAt","sections.42.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.217.createdAt","sections.42.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.217.updatedAt","sections.42.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.218.createdAt","sections.42.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.218.updatedAt","sections.42.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.219.createdAt","sections.42.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.219.updatedAt","sections.43.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.220.createdAt","sections.43.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.220.updatedAt","sections.43.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.221.createdAt","sections.43.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.221.updatedAt","sections.43.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.222.createdAt","sections.43.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.222.updatedAt","sections.43.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.223.createdAt","sections.43.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.223.updatedAt","sections.43.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.224.createdAt","sections.43.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.224.updatedAt","sections.44.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.225.createdAt","sections.44.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.225.updatedAt","sections.44.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.226.createdAt","sections.44.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.226.updatedAt","sections.44.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.227.createdAt","sections.44.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.227.updatedAt","sections.44.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.228.createdAt","sections.44.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.228.updatedAt","sections.44.modules.4.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.229.createdAt","sections.44.modules.4.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.229.updatedAt","sections.45.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.230.createdAt","sections.45.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.230.updatedAt","sections.45.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.231.createdAt","sections.45.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.231.updatedAt","sections.46.modules.0.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.232.createdAt","sections.46.modules.0.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.232.updatedAt","sections.46.modules.1.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.233.createdAt","sections.46.modules.1.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.233.updatedAt","sections.46.modules.2.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.234.createdAt","sections.46.modules.2.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.234.updatedAt","sections.46.modules.3.createdAt":"$46:props:state:queries:0:state:data:meta:values:modules.235.createdAt","sections.46.modules.3.updatedAt":"$46:props:state:queries:0:state:data:meta:values:modules.235.updatedAt"},"referentialEqualities":{"modules.0":["sections.0.modules.0"],"modules.1":["sections.0.modules.1"],"modules.2":["sections.0.modules.2"],"modules.3":["sections.0.modules.3"],"modules.4":["sections.0.modules.4"],"modules.5":["sections.0.modules.5"],"modules.6":["sections.1.modules.0"],"modules.7":["sections.1.modules.1"],"modules.8":["sections.1.modules.2"],"modules.9":["sections.1.modules.3"],"modules.10":["sections.1.modules.4"],"modules.11":["sections.1.modules.5"],"modules.12":["sections.2.modules.0"],"modules.13":["sections.2.modules.1"],"modules.14":["sections.2.modules.2"],"modules.15":["sections.2.modules.3"],"modules.16":["sections.2.modules.4"],"modules.17":["sections.2.modules.5"],"modules.18":["sections.3.modules.0"],"modules.19":["sections.3.modules.1"],"modules.20":["sections.3.modules.2"],"modules.21":["sections.3.modules.3"],"modules.22":["sections.3.modules.4"],"modules.23":["sections.4.modules.0"],"modules.24":["sections.5.modules.0"],"modules.25":["sections.5.modules.1"],"modules.26":["sections.5.modules.2"],"modules.27":["sections.5.modules.3"],"modules.28":["sections.5.modules.4"],"modules.29":["sections.5.modules.5"],"modules.30":["sections.6.modules.0"],"modules.31":["sections.6.modules.1"],"modules.32":["sections.6.modules.2"],"modules.33":["sections.6.modules.3"],"modules.34":["sections.6.modules.4"],"modules.35":["sections.7.modules.0"],"modules.36":["sections.8.modules.0"],"modules.37":["sections.8.modules.1"],"modules.38":["sections.8.modules.2"],"modules.39":["sections.8.modules.3"],"modules.40":["sections.8.modules.4"],"modules.41":["sections.8.modules.5"],"modules.42":["sections.9.modules.0"],"modules.43":["sections.9.modules.1"],"modules.44":["sections.9.modules.2"],"modules.45":["sections.9.modules.3"],"modules.46":["sections.9.modules.4"],"modules.47":["sections.9.modules.5"],"modules.48":["sections.10.modules.0"],"modules.49":["sections.10.modules.1"],"modules.50":["sections.10.modules.2"],"modules.51":["sections.10.modules.3"],"modules.52":["sections.10.modules.4"],"modules.53":["sections.10.modules.5"],"modules.54":["sections.11.modules.0"],"modules.55":["sections.11.modules.1"],"modules.56":["sections.11.modules.2"],"modules.57":["sections.11.modules.3"],"modules.58":["sections.11.modules.4"],"modules.59":["sections.11.modules.5"],"modules.60":["sections.12.modules.0"],"modules.61":["sections.12.modules.1"],"modules.62":["sections.12.modules.2"],"modules.63":["sections.12.modules.3"],"modules.64":["sections.12.modules.4"],"modules.65":["sections.12.modules.5"],"modules.66":["sections.13.modules.0"],"modules.67":["sections.13.modules.1"],"modules.68":["sections.13.modules.2"],"modules.69":["sections.13.modules.3"],"modules.70":["sections.13.modules.4"],"modules.71":["sections.13.modules.5"],"modules.72":["sections.14.modules.0"],"modules.73":["sections.15.modules.0"],"modules.74":["sections.15.modules.1"],"modules.75":["sections.15.modules.2"],"modules.76":["sections.15.modules.3"],"modules.77":["sections.15.modules.4"],"modules.78":["sections.16.modules.0"],"modules.79":["sections.16.modules.1"],"modules.80":["sections.16.modules.2"],"modules.81":["sections.17.modules.0"],"modules.82":["sections.17.modules.1"],"modules.83":["sections.17.modules.2"],"modules.84":["sections.18.modules.0"],"modules.85":["sections.18.modules.1"],"modules.86":["sections.18.modules.2"],"modules.87":["sections.19.modules.0"],"modules.88":["sections.19.modules.1"],"modules.89":["sections.19.modules.2"],"modules.90":["sections.20.modules.0"],"modules.91":["sections.20.modules.1"],"modules.92":["sections.20.modules.2"],"modules.93":["sections.20.modules.3"],"modules.94":["sections.20.modules.4"],"modules.95":["sections.20.modules.5"],"modules.96":["sections.21.modules.0"],"modules.97":["sections.21.modules.1"],"modules.98":["sections.21.modules.2"],"modules.99":["sections.21.modules.3"],"modules.100":["sections.21.modules.4"],"modules.101":["sections.21.modules.5"],"modules.102":["sections.22.modules.0"],"modules.103":["sections.22.modules.1"],"modules.104":["sections.22.modules.2"],"modules.105":["sections.22.modules.3"],"modules.106":["sections.22.modules.4"],"modules.107":["sections.22.modules.5"],"modules.108":["sections.23.modules.0"],"modules.109":["sections.23.modules.1"],"modules.110":["sections.23.modules.2"],"modules.111":["sections.23.modules.3"],"modules.112":["sections.23.modules.4"],"modules.113":["sections.23.modules.5"],"modules.114":["sections.24.modules.0"],"modules.115":["sections.24.modules.1"],"modules.116":["sections.24.modules.2"],"modules.117":["sections.24.modules.3"],"modules.118":["sections.24.modules.4"],"modules.119":["sections.24.modules.5"],"modules.120":["sections.25.modules.0"],"modules.121":["sections.25.modules.1"],"modules.122":["sections.25.modules.2"],"modules.123":["sections.25.modules.3"],"modules.124":["sections.25.modules.4"],"modules.125":["sections.25.modules.5"],"modules.126":["sections.26.modules.0"],"modules.127":["sections.26.modules.1"],"modules.128":["sections.26.modules.2"],"modules.129":["sections.26.modules.3"],"modules.130":["sections.26.modules.4"],"modules.131":["sections.26.modules.5"],"modules.132":["sections.27.modules.0"],"modules.133":["sections.27.modules.1"],"modules.134":["sections.27.modules.2"],"modules.135":["sections.27.modules.3"],"modules.136":["sections.28.modules.0"],"modules.137":["sections.29.modules.0"],"modules.138":["sections.29.modules.1"],"modules.139":["sections.29.modules.2"],"modules.140":["sections.29.modules.3"],"modules.141":["sections.29.modules.4"],"modules.142":["sections.29.modules.5"],"modules.143":["sections.30.modules.0"],"modules.144":["sections.30.modules.1"],"modules.145":["sections.30.modules.2"],"modules.146":["sections.30.modules.3"],"modules.147":["sections.30.modules.4"],"modules.148":["sections.30.modules.5"],"modules.149":["sections.31.modules.0"],"modules.150":["sections.31.modules.1"],"modules.151":["sections.31.modules.2"],"modules.152":["sections.31.modules.3"],"modules.153":["sections.31.modules.4"],"modules.154":["sections.31.modules.5"],"modules.155":["sections.32.modules.0"],"modules.156":["sections.32.modules.1"],"modules.157":["sections.32.modules.2"],"modules.158":["sections.32.modules.3"],"modules.159":["sections.32.modules.4"],"modules.160":["sections.32.modules.5"],"modules.161":["sections.33.modules.0"],"modules.162":["sections.33.modules.1"],"modules.163":["sections.33.modules.2"],"modules.164":["sections.33.modules.3"],"modules.165":["sections.33.modules.4"],"modules.166":["sections.33.modules.5"],"modules.167":["sections.34.modules.0"],"modules.168":["sections.34.modules.1"],"modules.169":["sections.34.modules.2"],"modules.170":["sections.34.modules.3"],"modules.171":["sections.34.modules.4"],"modules.172":["sections.34.modules.5"],"modules.173":["sections.35.modules.0"],"modules.174":["sections.35.modules.1"],"modules.175":["sections.35.modules.2"],"modules.176":["sections.35.modules.3"],"modules.177":["sections.35.modules.4"],"modules.178":["sections.35.modules.5"],"modules.179":["sections.36.modules.0"],"modules.180":["sections.36.modules.1"],"modules.181":["sections.36.modules.2"],"modules.182":["sections.36.modules.3"],"modules.183":["sections.36.modules.4"],"modules.184":["sections.36.modules.5"],"modules.185":["sections.37.modules.0"],"modules.186":["sections.37.modules.1"],"modules.187":["sections.37.modules.2"],"modules.188":["sections.37.modules.3"],"modules.189":["sections.37.modules.4"],"modules.190":["sections.37.modules.5"],"modules.191":["sections.38.modules.0"],"modules.192":["sections.38.modules.1"],"modules.193":["sections.38.modules.2"],"modules.194":["sections.38.modules.3"],"modules.195":["sections.38.modules.4"],"modules.196":["sections.38.modules.5"],"modules.197":["sections.39.modules.0"],"modules.198":["sections.39.modules.1"],"modules.199":["sections.39.modules.2"],"modules.200":["sections.39.modules.3"],"modules.201":["sections.39.modules.4"],"modules.202":["sections.39.modules.5"],"modules.203":["sections.40.modules.0"],"modules.204":["sections.40.modules.1"],"modules.205":["sections.40.modules.2"],"modules.206":["sections.40.modules.3"],"modules.207":["sections.40.modules.4"],"modules.208":["sections.40.modules.5"],"modules.209":["sections.41.modules.0"],"modules.210":["sections.41.modules.1"],"modules.211":["sections.41.modules.2"],"modules.212":["sections.41.modules.3"],"modules.213":["sections.41.modules.4"],"modules.214":["sections.41.modules.5"],"modules.215":["sections.42.modules.0"],"modules.216":["sections.42.modules.1"],"modules.217":["sections.42.modules.2"],"modules.218":["sections.42.modules.3"],"modules.219":["sections.42.modules.4"],"modules.220":["sections.43.modules.0"],"modules.221":["sections.43.modules.1"],"modules.222":["sections.43.modules.2"],"modules.223":["sections.43.modules.3"],"modules.224":["sections.43.modules.4"],"modules.225":["sections.44.modules.0"],"modules.226":["sections.44.modules.1"],"modules.227":["sections.44.modules.2"],"modules.228":["sections.44.modules.3"],"modules.229":["sections.44.modules.4"],"modules.230":["sections.45.modules.0"],"modules.231":["sections.45.modules.1"],"modules.232":["sections.46.modules.0"],"modules.233":["sections.46.modules.1"],"modules.234":["sections.46.modules.2"],"modules.235":["sections.46.modules.3"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792286942701,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getBySlug"],{"input":{"slug":"operating-systems"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getBySlug\"],{\"input\":{\"slug\":\"operating-systems\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943350,"state":{"data":{"json":{"path":{"archivedAt":null,"id":"seed_37d2f8441071f52e9abfc18043cd1c3b","slug":"operating-systems","title":"Operating Systems","description":"Master Operating Systems from fundamentals to advanced concepts. This comprehensive path covers processes, threads, memory management, file systems, I/O, virtualization, and distributed systems with 47 chapters and 1201+ pages.","image":null,"color":"#EF4444","keyTopics":["Process Management","Thread Synchronization","Memory Management","Virtual Memory","File Systems","I/O Systems","Virtualization","Distributed Systems"],"estimatedHours":196.8,"problemCount":0,"visualizerCount":0,"quizCount":0,"learningCount":236,"difficulty":"INTERMEDIATE","idealFor":["Computer Science students","Systems programmers","Backend engineers","Anyone preparing for systems interviews"],"prerequisites":["Basic programming (C preferred)","Understanding of computer architecture","Basic data structures knowledge"],"skillsGained":["Process and thread management","Synchronization primitives","Memory management techniques","File system design","System call implementation","Performance optimization"],"outcomes":["Understand OS internals deeply","Debug systems-level issues","Design concurrent programs","Optimize system performance","Prepare for systems interviews","Build OS components"],"overview":"This comprehensive learning path takes you from OS fundamentals to advanced systems concepts, preparing you for systems programming and interviews.\n\n**What you'll learn:**\n• OS History and Evolution\n• Process management and scheduling\n• Thread synchronization and concurrency\n• Memory management and virtual memory\n• File systems and storage\n• I/O systems and device drivers\n• Virtualization and containers\n• Distributed systems concepts\n• Security and protection\n• Modern OS topics\n\nEach topic includes detailed explanations with practical examples.","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.121Z","modules":[{"id":"seed_0989bba9c801e30c2f8d8fbcccc160fb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"What Is an Operating System?","order":1,"contentType":"LEARNING","contentSlug":"what-is-an-operating-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_278c9ae478c38253aee9fe527920752b","title":"Definition and Purpose of Operating Systems","order":0},{"id":"seed_eb3f63d66d764183186be76cc3bdbcca","title":"Operating System as Resource Manager","order":1},{"id":"seed_e471bc0b86753fda800b1adffa14b88b","title":"Operating System as Extended Machine","order":2},{"id":"seed_2f157f9b0deca4fb93599ead66226ddf","title":"User View vs System View","order":3},{"id":"seed_6f1a89bb5e63636b5d6f6990cc5d9132","title":"Design Goals of Operating Systems","order":4}]},{"id":"seed_b0818c91ff08af47baa34eb62858f66c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"History of Operating Systems","order":2,"contentType":"LEARNING","contentSlug":"history-of-operating-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_4859dff402f74362e5338edf09fbe19f","title":"Batch Systems: The Birth of Operating Systems","order":0},{"id":"seed_df72002367b99e2edf9752ab575caf8c","title":"Multiprogrammed Systems: Maximizing CPU Utilization","order":1},{"id":"seed_0ec46334114f9e7f1d4c842c8896882e","title":"Time-Sharing Systems: The Interactive Computing Revolution","order":2},{"id":"seed_1643ee5595ef51a52aeae19593925098","title":"Personal Computers: Computing for Everyone","order":3},{"id":"seed_7dbf3006a153b4e80e22b2e3b49c932a","title":"Modern OS Evolution: From Mobile to Cloud","order":4}]},{"id":"seed_2ccef563a867bb7804728aac2ec8898b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Types of Operating Systems","order":3,"contentType":"LEARNING","contentSlug":"types-of-operating-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_b9bb4c6bf237405b13267d1eaaf3f4df","title":"Batch Operating Systems","order":0},{"id":"seed_474fe55857065c339cd412dedd55bc42","title":"Multi-tasking and Time-sharing Systems","order":1},{"id":"seed_1a14e01a02772f1b12bb95d9b8da786c","title":"Real-time Operating Systems","order":2},{"id":"seed_83cad6017b678dd8638a32f3b69ccd67","title":"Distributed Operating Systems","order":3},{"id":"seed_fcdf838017b1cfd28344713f42963128","title":"Embedded Operating Systems","order":4}]},{"id":"seed_837ca9e393dfaed490f4c2ab1d0c7b9b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Operating System Services","order":4,"contentType":"LEARNING","contentSlug":"operating-system-services","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_6711dbd333b981427a62d41c69934180","title":"User Interface Services","order":0},{"id":"seed_d9c7d90c7c01a78c5236d96e70db2fbf","title":"Program Execution Services","order":1},{"id":"seed_a0a37b97d6c7afa01c881a948c0696c3","title":"I/O Operations","order":2},{"id":"seed_3635d93aa28618d8fa2819564d6d0fbd","title":"File System Manipulation","order":3},{"id":"seed_eb27afe77339debd5fe3e715b0f49825","title":"Communication Services","order":4}]},{"id":"seed_e450fe77a88991a07a3d5c98dbc9e1c9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Operating System Structure","order":5,"contentType":"LEARNING","contentSlug":"operating-system-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_b5435a977320424ab045528a5e2a638d","title":"Understanding OS Architecture — From Monolithic Origins to Modern Structures","order":0},{"id":"seed_4625ba57853b536f6996ed335035398e","title":"Layered Operating System Architecture — Abstraction Through Hierarchy","order":1},{"id":"seed_4fa6dfcd5f7df7fbcd8bae14230ef9a1","title":"Microkernel Architecture — Minimalism and Isolation","order":2},{"id":"seed_221c79cf107067afb9e364493f830e5e","title":"Loadable Kernel Modules — Dynamic Extension of Monolithic Kernels","order":3},{"id":"seed_ce037bc8a7993efefa2968c41d222f6f","title":"Hybrid Operating Systems — Pragmatic Architecture for the Real World","order":4}]},{"id":"seed_bfc441947857a25112da5292201b9944","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 1: Introduction To Operating Systems","sectionOrder":1,"title":"Design Goals and Tradeoffs in Operating Systems","order":6,"contentType":"LEARNING","contentSlug":"design-goals-and-tradeoffs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_ea6f255bbaebbb668c7dd002ff372145","title":"Efficiency vs Convenience","order":0},{"id":"seed_47197a0466f0a3576972d91bcafe8061","title":"Flexibility vs Simplicity","order":1},{"id":"seed_5ceb970d0d11c931df25f6b9b0c8d123","title":"Security vs Usability","order":2},{"id":"seed_7059205b380dbf20e72223bd6138b01d","title":"Portability Considerations","order":3},{"id":"seed_c3edc689710e3d4e7da5e36445979420","title":"Policy vs Mechanism","order":4}]},{"id":"seed_86da1ea83ce7927e2a15080b95fef560","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"von Neumann Architecture","order":1,"contentType":"LEARNING","contentSlug":"von-neumann-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_e19d8e053ce09c3776fbfe9f2acf1016","title":"The Stored Program Concept - The Revolutionary Foundation","order":0},{"id":"seed_60e613ae321ef909e1e265e7cc81fd3a","title":"CPU, Memory, and I/O - The Trinity of Computing","order":1},{"id":"seed_79d79ef2118991fd83737fdc80ee0fdc","title":"Bus Architecture - The Communication Backbone","order":2},{"id":"seed_ce52e3e566c7fc03486062e8b451e321","title":"The Instruction Cycle - Fetch, Decode, Execute","order":3},{"id":"seed_b090e606d08ab10f1f280fa8fed71bc2","title":"The von Neumann Bottleneck - Limitations and Modern Solutions","order":4}]},{"id":"seed_468b82c6119325a617edc0f311cbe3f3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"CPU Execution Modes","order":2,"contentType":"LEARNING","contentSlug":"cpu-execution-modes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_29aa0426c1b2143323a9d64c87141b33","title":"User Mode","order":0},{"id":"seed_8d17444b36e30e6f33d999dacaa080c5","title":"Kernel Mode (Supervisor Mode)","order":1},{"id":"seed_ffdc56cc63787505562d18a97229bf60","title":"Mode Bit","order":2},{"id":"seed_e8d0d74f8fb744f3b154a156ee70c915","title":"Privileged Instructions","order":3},{"id":"seed_52813e97aed5897e33db98830d26d7ba","title":"Mode Switching","order":4}]},{"id":"seed_45eef80b7025070c0c4404de5a533b71","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Memory Hierarchy: From Registers to Disk","order":3,"contentType":"LEARNING","contentSlug":"memory-hierarchy","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_2e152b0b62d5176d400b6a5154b49df5","title":"Registers — The Fastest Tier of the Memory Hierarchy","order":0},{"id":"seed_6f7e10e6695a575bef6818cc9f90872a","title":"Cache Memory (L1, L2, L3) — The Critical Performance Tier","order":1},{"id":"seed_6cd1f1b5d3dcb8ca2036a3faf434956a","title":"Main Memory (RAM) — The Primary System Memory","order":2},{"id":"seed_43a3a4ad63de87335d075857888c6b47","title":"Secondary Storage — Persistent Memory and Mass Storage","order":3},{"id":"seed_52a5d6f70fad43e1fb3e66f2fe530cb1","title":"Access Times and Tradeoffs — The Economics of Memory Hierarchy","order":4}]},{"id":"seed_980787327dac546179c8d7ab893f8e4d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Interrupts and Exceptions","order":4,"contentType":"LEARNING","contentSlug":"interrupts-and-exceptions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_7ead2a8e9b3aa8166f2d4c58b7a9ff82","title":"Hardware Interrupts","order":0},{"id":"seed_6f435656bf65067b90137ec51b86ac0a","title":"Software Interrupts (Traps)","order":1},{"id":"seed_516b73f31cb2fbd845caf2a50d1af565","title":"Interrupt Handling","order":2},{"id":"seed_0941d29130f63b80a0ab7fa279d56229","title":"Interrupt Vector Table","order":3},{"id":"seed_0801d78d5b3b846e9c9d4b953062876d","title":"Interrupt Priority","order":4}]},{"id":"seed_f6e1083fa8c58d5bd8c75a27d235251e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"I/O Architecture: How the CPU Communicates with the World","order":5,"contentType":"LEARNING","contentSlug":"io-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_c6d5a14c94ed8039e81b9441e9e3dc44","title":"I/O Ports: The Gateway to Peripheral Communication","order":0},{"id":"seed_e6a0bf4396f0e549ffceb6e721b8fb74","title":"Memory-Mapped I/O: Unifying Device Access with Memory Semantics","order":1},{"id":"seed_ed01ee8d73e52f14ea7f3685d00b567f","title":"Programmed I/O: The CPU as Data Mover","order":2},{"id":"seed_ceab336d1baa55ae5bb76a075a32309e","title":"Interrupt-Driven I/O: Asynchronous Device Communication","order":3},{"id":"seed_a0dcdae45ed172b4f390e42dd89a8485","title":"DMA: Direct Memory Access for Maximum Throughput","order":4}]},{"id":"seed_d0557b0f349b5f70f81e2748910e3005","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 2: Computer Architecture Fundamentals","sectionOrder":2,"title":"Cache Coherence and Memory Consistency","order":6,"contentType":"LEARNING","contentSlug":"cache-coherence","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_6506911bda9ab17a220d25bea9e3f59d","title":"Cache Hierarchy","order":0},{"id":"seed_7140d174d083d7fed8afc774baa83fc9","title":"Cache Lines","order":1},{"id":"seed_2100afb79c8c3356bb0ac14237480ec3","title":"Write-Through vs Write-Back","order":2},{"id":"seed_6a1ffdaa1721da5cb8f318ddbb941e3a","title":"Cache Coherence Problem","order":3},{"id":"seed_c426a78629c5ea5b4efb979d521deadc","title":"Coherence Protocols (MESI)","order":4}]},{"id":"seed_a81fd6898d35ccf59a1cbaaca8e8a659","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Monolithic Kernels: The Traditional OS Architecture","order":1,"contentType":"LEARNING","contentSlug":"monolithic-kernels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_eeaaab0ff4c0d744b95f29d01a77a17d","title":"All Services in Kernel Space","order":0},{"id":"seed_1d96d1dfd23b462e826d09e460a312f8","title":"Linux Kernel Example","order":1},{"id":"seed_9795a8791c2b853f7c7ac06034e0ec9c","title":"Advantages: Performance","order":2},{"id":"seed_13603578cddbfe98a945b7076a9ee013","title":"Disadvantages: Complexity","order":3},{"id":"seed_954527360bcd76e92b0a3bc19bbd8956","title":"Modular Monolithic","order":4}]},{"id":"seed_2e766749fc8e4bec70ebefe52f4f3e43","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Microkernel Architecture","order":2,"contentType":"LEARNING","contentSlug":"microkernel-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e07c060b5e7513d65aa26547dbedb344","title":"Minimal Kernel","order":0},{"id":"seed_035e3ae081674c57d1e73940b2adeb36","title":"User-Space Servers","order":1},{"id":"seed_d8812ed31fbb1ea21af2db7dc1fe33e2","title":"Message Passing","order":2},{"id":"seed_bf9b5fe4683ebe12ff56703d53d686bd","title":"Mach, MINIX, QNX","order":3},{"id":"seed_17a6f72d63d45adba951586972013d6f","title":"Advantages and Limitations","order":4}]},{"id":"seed_e072f947c9ab98b98e7e0762b2084ce6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Hybrid Kernels","order":3,"contentType":"LEARNING","contentSlug":"hybrid-kernels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_56fd145cc2c51431424d91facb15d6df","title":"Windows NT Architecture","order":0},{"id":"seed_09f47dac9b22fabff39214d553b98fad","title":"macOS (XNU)","order":1},{"id":"seed_bd8ba56f67c3d4419ff67f51a3ed79eb","title":"Combining Approaches","order":2},{"id":"seed_394c5774ac7af58d724cb7812a6d1c6d","title":"Performance Considerations","order":3},{"id":"seed_16300ff7851d71727b38723a03a4b0d3","title":"Real-world Examples","order":4}]},{"id":"seed_ecc734779008ee009eb0a4ffbc502498","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Loadable Kernel Modules","order":4,"contentType":"LEARNING","contentSlug":"loadable-kernel-modules","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_916d89aee47ded271f219de4f74c0615","title":"Dynamic Loading","order":0},{"id":"seed_8ca91b64b0e5068b79f4f7561ad0847c","title":"Linux Modules (.ko)","order":1},{"id":"seed_3a9cac656ac43ff858a01830738a1b90","title":"Advantages","order":2},{"id":"seed_e82b129395c6ac3fb4fac699f0de72d3","title":"Module Management","order":3},{"id":"seed_d4a00303bcb0ea9454dbc6a8ae631c83","title":"Security Implications","order":4}]},{"id":"seed_9d115c9f3ae3b4f29f09606f3eff588f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Boot Process","order":5,"contentType":"LEARNING","contentSlug":"boot-process","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7020420fedf7d4852725adfa242b7ed7","title":"BIOS/UEFI","order":0},{"id":"seed_80fa610f264a212a453cce30b948027c","title":"Bootloader (GRUB)","order":1},{"id":"seed_6e9ad88fff0754efbe7a41d016c2332d","title":"Kernel Loading","order":2},{"id":"seed_ec7065aac1a2576ea551af42d59948c3","title":"Init Process","order":3},{"id":"seed_c90f6ef28db0f2f220b619153c299c54","title":"System Initialization","order":4}]},{"id":"seed_82148746a8bc2509227f2483fa9e58cd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 3: Os Structures","sectionOrder":3,"title":"Virtual Machines","order":6,"contentType":"LEARNING","contentSlug":"virtual-machines","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f011a2c2a17305a9cb5fede7c24073ec","title":"Type 1 Hypervisors: The Bare-Metal Foundation","order":0},{"id":"seed_89db3eb4163481ec548f43452fa5c6a7","title":"Type 2 Hypervisors: Virtualization on the Desktop","order":1},{"id":"seed_2692366b1bb000792768c8cd2a81b588","title":"Benefits for OS Development: The VM Revolution","order":2},{"id":"seed_b4965bc3a05d66749cb7c09befc9ead3","title":"Hardware Virtualization Support: Silicon Enabling Software","order":3},{"id":"seed_7bfd3bd6d1ebdf4952ab88e88c5908ad","title":"OS-Level Virtualization: Containers and Beyond","order":4}]},{"id":"seed_b7f231e822013edf953a1f54b39cdd64","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"System Call Mechanism","order":1,"contentType":"LEARNING","contentSlug":"system-call-mechanism","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e3f502242d89469640497f76e6c0e09c","title":"User to Kernel Transition","order":0},{"id":"seed_d2045f2679a5112a92fb2718ee90bca8","title":"Trap Instruction","order":1},{"id":"seed_232a392d9cc9343d63805f827e1929c2","title":"System Call Number","order":2},{"id":"seed_e549cc980c5ea1cd925663d2790f69bc","title":"Parameter Passing","order":3},{"id":"seed_3a6367432d240219106e46cdfab95b76","title":"Return to User Mode","order":4}]},{"id":"seed_1f5af05d88b718fb8bad812f1c507b13","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"System Call Types","order":2,"contentType":"LEARNING","contentSlug":"system-call-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b5926c9e8bd269e66cb9bbc19d7741ef","title":"Process Control System Calls","order":0},{"id":"seed_cc268204e6cb3f6a4672545f6079d717","title":"File Management System Calls","order":1},{"id":"seed_1bc1423f2aded3ebe6ec03ec709745cd","title":"Device Management System Calls","order":2},{"id":"seed_035b28512bde84fddc710d3c2c30df07","title":"Information Maintenance System Calls","order":3},{"id":"seed_f3f7191ca648ebd93bb83476895e7917","title":"Communication System Calls","order":4}]},{"id":"seed_0ff105e065cd1375b969a854613682f1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"POSIX Interface: The Portable Operating System Standard","order":3,"contentType":"LEARNING","contentSlug":"posix-interface","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_fe467e09bf4c75bbaa90272c1b27bcb0","title":"The POSIX Standard","order":0},{"id":"seed_9d21fb056883fe5cabf3d76936583d3f","title":"Common POSIX Calls","order":1},{"id":"seed_9702cea32495bfea2a907b6b40c20826","title":"Portability Benefits","order":2},{"id":"seed_432cbe4dc69d4c3cbdb445813faf9e70","title":"POSIX Compliance","order":3},{"id":"seed_a44cb348daa6888ef153002fe668d8c8","title":"Real-World Usage","order":4}]},{"id":"seed_80f17dc5d70a0bae02aa38ac830d5dae","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"Windows API","order":4,"contentType":"LEARNING","contentSlug":"windows-api","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9a15aa27153496f5a007607123a9a889","title":"Win32/Win64 API","order":0},{"id":"seed_6d01d071ec7a2bdab1cd2cce91bb530a","title":"Windows System Calls","order":1},{"id":"seed_3a4e180aeaa6e6fa29e83ce1b57cd9d8","title":"Handle-Based Access","order":2},{"id":"seed_1b92a391b697dcfaca1c4f77b13abf55","title":"Registry Operations","order":3},{"id":"seed_7ed27e5df8d1ec7a1e9a1c2ebea4cd6e","title":"Comparison with POSIX","order":4}]},{"id":"seed_4b4dbf12032d712927f668a6e1fc3d0b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls And Api","sectionOrder":4,"title":"Library Functions vs System Calls","order":5,"contentType":"LEARNING","contentSlug":"library-functions-vs-system-calls","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9637b57aadbe7d187eb290c0bdb714be","title":"C Library (libc)","order":0},{"id":"seed_fbc30861934470c56115cd9fa653cb78","title":"Buffering in Libraries","order":1},{"id":"seed_2902533a8c698a48b2fd8a4cee8f7ade","title":"Performance Considerations","order":2},{"id":"seed_38659c8fdedadf841e2f029fbeecc522","title":"When to Use Each","order":3},{"id":"seed_1ededd2103e2642f4a5ced15274c25d5","title":"strace and Debugging","order":4}]},{"id":"seed_9021890711dd458837c4f54fbd4973c5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 4: System Calls Api","sectionOrder":5,"title":"System Call Implementation","order":1,"contentType":"LEARNING","contentSlug":"system-call-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6b92703e70bea1f1d1bd0cf69d7a8a87","title":"User-Space Wrapper","order":0},{"id":"seed_685771b2baf59cff7bcd2109d332d43e","title":"Context Switch","order":1},{"id":"seed_d2ff3f0c2cc11f99bf297272fd459a0d","title":"Kernel Handler","order":2},{"id":"seed_0f8b69d03c5b7be90115a2747fb4003a","title":"Parameter Validation","order":3},{"id":"seed_4b6ebf41c1502dfab7f61b20c1b7bcb6","title":"Error Handling","order":4}]},{"id":"seed_077f486143700610ae3fc15ec7dca0d2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Definition","order":1,"contentType":"LEARNING","contentSlug":"process-definition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f661166fd2d767ffc100f34869deb57f","title":"Program vs Process","order":0},{"id":"seed_a6e62fa71cb0e543aaabf8049899ba02","title":"Process as Execution Unit","order":1},{"id":"seed_ef5b7b04224b3cef336f6329270d00f1","title":"Multiple Instances","order":2},{"id":"seed_57676a32efdad679157537d0339c1f0d","title":"Process Characteristics","order":3},{"id":"seed_e701f4cc920f3ead636dddd01a75c27b","title":"Process Lifecycle","order":4}]},{"id":"seed_d60354496ce5346a5f33ab1e9b4b67ba","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Control Block (PCB)","order":2,"contentType":"LEARNING","contentSlug":"process-control-block","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6f261344b4ce60d41b373cb75f7dc7a4","title":"PCB Contents: The Process Identity Card","order":0},{"id":"seed_27bf9c16d3e176fdbb09b33d3bcb83bb","title":"Process State: The Lifecycle Status Indicator","order":1},{"id":"seed_3ecc25dfd8d81d37c4cef45c56aabe8e","title":"Program Counter: The Execution Bookmark","order":2},{"id":"seed_a8083736b2f7eaeee5f070c408edc3bc","title":"CPU Registers: The Complete Execution State","order":3},{"id":"seed_9ac365b14e8455c50b06674ff82ac19f","title":"Memory Management Info: Tracking the Virtual Address Space","order":4}]},{"id":"seed_932edb67e048a2aa3949ccad1c000032","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process States","order":3,"contentType":"LEARNING","contentSlug":"process-states","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bd8f7da2708bf20984cc2fc447a707e8","title":"New State: Process Creation and Admission","order":0},{"id":"seed_aa2c18534775b952ab3c87bf7d1d49be","title":"Ready State: Waiting for CPU Allocation","order":1},{"id":"seed_7137ffcf9098093754461f63dea213fb","title":"Running State: Active CPU Execution","order":2},{"id":"seed_d37b602d2d42538b8d50854ec7f780b1","title":"Waiting (Blocked) State: Suspended Until Event","order":3},{"id":"seed_1c323f96cdb15963cb4668f8cefffdae","title":"Terminated State: Process Lifecycle Completion","order":4}]},{"id":"seed_8b6f755f9699c9ea81bb12f165930890","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process State Transitions","order":4,"contentType":"LEARNING","contentSlug":"state-transitions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7ee6e7e499364b786853d782789de32b","title":"Admit: New → Ready","order":0},{"id":"seed_b5d5d96f82adfe9d38b084fa432f6734","title":"Dispatch: Ready → Running","order":1},{"id":"seed_45f4acd74e6e0b8a3d9974a1ee2c61cb","title":"Timeout: Running → Ready","order":2},{"id":"seed_bdaf84ddc141ac62a5380684d6bd4189","title":"Block: Running → Waiting","order":3},{"id":"seed_f1a0392f0fb10945ba1d20377ac705a8","title":"Wake: Waiting → Ready","order":4}]},{"id":"seed_4edfc277c91ec64c1fe2524c3a10dff7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Process Queues: Managing System Resources","order":5,"contentType":"LEARNING","contentSlug":"process-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_363dea7e9c19f3b3862279154c64f0cb","title":"Job Queue: The Complete System Perspective","order":0},{"id":"seed_c49427655efb61b50fe7be11666b6f8a","title":"Ready Queue: The Gateway to CPU Execution","order":1},{"id":"seed_de59ec740180e7fca8b123f1e8d5c9f0","title":"Device Queues: Managing I/O-Bound Processes","order":2},{"id":"seed_36726d60af8b4ebd242eee2a7583f477","title":"Queue Implementation: Data Structures for Process Management","order":3},{"id":"seed_b99917f3649a579be6a93fe6ad914632","title":"Queue Management: Policies, Balancing, and Optimization","order":4}]},{"id":"seed_c548e97a99451cf65520d1c3ca157603","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 5: Process Concepts","sectionOrder":6,"title":"Context Switching: The Heart of Multitasking","order":6,"contentType":"LEARNING","contentSlug":"context-switching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b5125625ad5a7c9d0936e7ce19a81acb","title":"What Triggers Context Switch","order":0},{"id":"seed_34fd1ed2a87e9cdc3a82e8c2d50ee163","title":"Saving Context: Preserving Execution State","order":1},{"id":"seed_105c9d3a7fd505169f5560f365fd73fb","title":"Restoring Context: Resuming Execution","order":2},{"id":"seed_90de57d08acd663aadc619b102eef418","title":"Context Switch Overhead: The Hidden Performance Cost","order":3},{"id":"seed_80c4e2833a9a0dde113221d73b90065e","title":"Minimizing Context Switches: Strategies for Performance","order":4}]},{"id":"seed_d3b0ef17f2731b131288d4e78876410b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Process Creation","order":1,"contentType":"LEARNING","contentSlug":"process-creation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_05af6c8a412f9ad9bd679ee50f840dca","title":"Parent-Child Relationship","order":0},{"id":"seed_2a4067d803c9ef3d97a97cc1a5324343","title":"Process Tree","order":1},{"id":"seed_aa1554856b374fe3023a20928a495acc","title":"Resource Sharing Options","order":2},{"id":"seed_7b0db8e9cdd57a8ba2796a71f7d07979","title":"Execution Options","order":3},{"id":"seed_1b81cf45a800851d21f4b2a04c0661c8","title":"Address Space Options","order":4}]},{"id":"seed_188e252485047268d55ce1e8d6010d59","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"The fork() System Call","order":2,"contentType":"LEARNING","contentSlug":"fork-system-call","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_106e78f6772907031048bbb916c6cc21","title":"fork() Semantics","order":0},{"id":"seed_0fb95669d6fb8c5a26517075f24a10c7","title":"Return Values","order":1},{"id":"seed_bedabd7b781fd78d6eacee2fcf84ab92","title":"Copy-on-Write","order":2},{"id":"seed_49166e44df252cb3e1c2c11ea35079c9","title":"Parent vs Child Execution","order":3},{"id":"seed_710d3f0bf4dc69cf28534e444b0052a7","title":"Fork Bombs and Prevention","order":4}]},{"id":"seed_67342be312dd695308c4d12f84ebfbc3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"The exec() Family of System Calls","order":3,"contentType":"LEARNING","contentSlug":"exec-family","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_935784fb98b3325b0a90a6f920e57071","title":"exec() Variants","order":0},{"id":"seed_397e88bb5aced4a40c04c05b0507e428","title":"Replacing the Process Image","order":1},{"id":"seed_428838788b6ceb3984e9d3a58900b861","title":"Argument Passing","order":2},{"id":"seed_5d8ab3e699ed5ad4f130366e39391b94","title":"Environment Variables","order":3},{"id":"seed_78c0d9b5cfed54c85bc83190ce4b2880","title":"The Fork-Exec Pattern","order":4}]},{"id":"seed_57250ecb2cb222d18431a0df69ea7d38","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Process Termination","order":4,"contentType":"LEARNING","contentSlug":"process-termination","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b16171af2c587e3ff60693ebc9293f71","title":"Normal Termination (exit)","order":0},{"id":"seed_8eb1f11798c1fb65827e6bdfd3097574","title":"Abnormal Termination","order":1},{"id":"seed_528b0288426dbbee035a83cf48f03f91","title":"Return Status","order":2},{"id":"seed_8524441c7242194002d565463e30970c","title":"Resource Cleanup","order":3},{"id":"seed_2cfe768cd822fb15de0fc98a2d290d3e","title":"Cascading Termination","order":4}]},{"id":"seed_07a7906e50bf512fc33e1f702cd10a6d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation And Termination","sectionOrder":7,"title":"Orphans and Zombies: Handling Parent-Child Process Anomalies","order":5,"contentType":"LEARNING","contentSlug":"orphans-and-zombies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_417ebf555c05e71ee26c52772f402ef5","title":"Orphan Processes: When Parents Vanish","order":0},{"id":"seed_98210842eedb129f848f3019611f5dc9","title":"Adoption by init: The Universal Foster Parent","order":1},{"id":"seed_1925830da210229241fb8eeb85d1b1dc","title":"Zombie Processes: The Undead of Unix","order":2},{"id":"seed_eb9ceb67c375ba229193669f102db191","title":"Zombie Accumulation: When the Dead Overwhelm the Living","order":3},{"id":"seed_7cb9cba4b68687afd3f0cb2fdf3a347a","title":"Prevention Strategies: Building Robust Process Management","order":4}]},{"id":"seed_4d33225e45483b73ca9b58a507cf087b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 6: Process Creation Termination","sectionOrder":8,"title":"wait() and waitpid() System Calls","order":1,"contentType":"LEARNING","contentSlug":"wait-and-waitpid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_590ebee6828e9df20bf522e9a2fd0026","title":"Waiting for Children","order":0},{"id":"seed_749566aa098933514cf7f10d31212232","title":"Collecting Exit Status","order":1},{"id":"seed_af29589cb5bc60e41fbc6ca0fa39c8b4","title":"Blocking vs Non-blocking","order":2},{"id":"seed_7fe8b0aa2c4b6bedf01e90476e631967","title":"Handling Multiple Children","order":3},{"id":"seed_8dd0c79ee21e80f703ad30cc51fee30b","title":"Status Macros","order":4}]},{"id":"seed_20a9c35106e25d5006789fb949a26a78","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"IPC Overview","order":1,"contentType":"LEARNING","contentSlug":"ipc-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f3754521c03369fdd2b0e30e504526d8","title":"Why IPC is Needed","order":0},{"id":"seed_a2e1d86999d5422ad93ed8987ccf947c","title":"Shared Memory Model","order":1},{"id":"seed_b545b8ec8dbb15f0d56db942677b6d54","title":"Message Passing Model","order":2},{"id":"seed_379f9bc11538e06ff47ac761d96e3ff6","title":"Comparison: Shared Memory vs Message Passing","order":3},{"id":"seed_3b50b6a9bff23b97d7f61b15b0be75e4","title":"Choosing the Right IPC Mechanism","order":4}]},{"id":"seed_6938a68a7cc9e78c966d4b5a5e3dfda8","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Pipes – Fundamental IPC Mechanism","order":2,"contentType":"LEARNING","contentSlug":"pipes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a581a988f66e3f2ef9dfb459a8f99ff6","title":"Anonymous Pipes","order":0},{"id":"seed_57bc37d43f9fa72a607c74e900062909","title":"The pipe() System Call","order":1},{"id":"seed_425b3c6809a21810f5e292a0589345c6","title":"Unidirectional Communication","order":2},{"id":"seed_797373c9b913c25e04e16bd3c186f527","title":"Parent-Child Communication","order":3},{"id":"seed_ec5044706b8b65d6e0665260043863a9","title":"Pipe Limitations","order":4}]},{"id":"seed_2c83fc712179dd03bf000225ec6e304b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Named Pipes (FIFOs): Persistent Inter-Process Communication","order":3,"contentType":"LEARNING","contentSlug":"named-pipes-fifos","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_194adc33f833af9b752faff15e6f9cf2","title":"FIFO Creation: Building Named Pipes from the Ground Up","order":0},{"id":"seed_128a5eb26a3d90ce23ac8d1b9472b4ca","title":"Unrelated Process Communication: The Power of Named Pipes","order":1},{"id":"seed_008fe8a4dba4a5135079dfea8ecabb18","title":"Blocking Behavior: Mastering FIFO Synchronization Semantics","order":2},{"id":"seed_7ba2c95616f465223e23800a29203d8f","title":"FIFO Limitations: Understanding the Boundaries","order":3},{"id":"seed_6da86cde6e82e4cc17d7bdf3b8ae0bd6","title":"Use Cases: FIFOs in Real-World Systems","order":4}]},{"id":"seed_b8be570290835678ecc04f0652594858","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Message Queues","order":4,"contentType":"LEARNING","contentSlug":"os-message-queues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7923dc51b4e4e1e8f6c1be97989b6b79","title":"System V Message Queues","order":0},{"id":"seed_bc0c2210b51587ba99beb37fd4902880","title":"POSIX Message Queues","order":1},{"id":"seed_0e6d7e631c076dc6e9f1ccaaab99b25a","title":"Message Types","order":2},{"id":"seed_cde9ce23c65e857e8e1e4f85fe1133ae","title":"Priority Ordering","order":3},{"id":"seed_0e5318286e45e09ca356fc057a65c04b","title":"Advantages of Message Queues","order":4}]},{"id":"seed_b37f87427b64dbe1b3606c3b7d5253a9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Shared Memory: The Fastest IPC Mechanism","order":5,"contentType":"LEARNING","contentSlug":"shared-memory","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a4f9b83ca7cf8f4ca36c59f18f8717ba","title":"Creating Shared Memory","order":0},{"id":"seed_6cd0d82667257a67a4c7262632f1dbcb","title":"Attaching and Detaching Shared Memory","order":1},{"id":"seed_32a7ac1cdd2636669dbf3fb01b5242f0","title":"Synchronization Requirements","order":2},{"id":"seed_392b25adb8b835ef3004a6f7c226da91","title":"Performance Benefits","order":3},{"id":"seed_732f1812188a6b4585f1a500aab6cd15","title":"POSIX Shared Memory","order":4}]},{"id":"seed_8a100b935bf7f5cba81a227fd2bb1cf4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 7: Inter Process Communication","sectionOrder":9,"title":"Signals: Software Interrupts for Process Communication","order":6,"contentType":"LEARNING","contentSlug":"signals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ae3e59be4d863eb4061ac7f488c3dccc","title":"Signal Concepts: Understanding Software Interrupts","order":0},{"id":"seed_af19186d4ae7974138e3d7dacce0ddac","title":"Common Signals: The UNIX Signal Vocabulary","order":1},{"id":"seed_e78f8894db83fac0aa4cc5fa8e57f20d","title":"Signal Handlers: Installing and Implementing Correctly","order":2},{"id":"seed_04820d03c131490b35774360dd345eea","title":"Sending Signals: Inter-Process Signal Transmission","order":3},{"id":"seed_206490b3de4d2ac4bcc3a03baaa69e39","title":"Signal Reliability: Edge Cases and Robustness","order":4}]},{"id":"seed_42c2a0ddd8fc2bf250e986feb527df3b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Scheduling Concepts","order":1,"contentType":"LEARNING","contentSlug":"scheduling-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9bcee6f099cb80334b0a14816cb3e401","title":"CPU Burst and I/O Burst","order":0},{"id":"seed_072d0ce3da6ae15e164b5526620d305e","title":"CPU-bound vs I/O-bound","order":1},{"id":"seed_f687887fc0c51b3b15feabe57ef9d8ae","title":"Preemptive vs Non-preemptive","order":2},{"id":"seed_9ef6f93eb0623d8b358a890405be5fd3","title":"Scheduling Criteria","order":3},{"id":"seed_f4a46c572912bd0e38dbf1aecb53ca5a","title":"Dispatcher","order":4}]},{"id":"seed_87bec7889b7fec9ebcc318cdbd6a0559","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"First-Come, First-Served (FCFS)","order":2,"contentType":"LEARNING","contentSlug":"first-come-first-served","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_42df6610fd5b682e073a941f877f68d7","title":"FCFS Algorithm","order":0},{"id":"seed_f2b8195464f72ee16384b46cf5da44c4","title":"FIFO Queue","order":1},{"id":"seed_630433e828d99ac6a7a1e2f249b64cb4","title":"Convoy Effect","order":2},{"id":"seed_29820586d93df0829587968e9deecc04","title":"Advantages and Limitations","order":3},{"id":"seed_e4c6dc736137a42df5e8e4e452384bad","title":"Gantt Chart Analysis","order":4}]},{"id":"seed_87b81c518aed7bd3cdb4482412c43e90","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Shortest Job First (SJF) & SRTF","order":3,"contentType":"LEARNING","contentSlug":"sjf-and-srtf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9c1d79c23a916288346090ded0ac25e6","title":"SJF Algorithm","order":0},{"id":"seed_8af84d46462e3575484dd39d8b353fcd","title":"Optimal for Average Wait Time","order":1},{"id":"seed_d2d005dbbe497ebdcee442a4e9100ea8","title":"Prediction Challenges","order":2},{"id":"seed_88f6d6501f920c73a5200eaf32c11b37","title":"SRTF (Preemptive SJF)","order":3},{"id":"seed_85982fd92e5a87d8d0ca75995a58f12c","title":"Starvation Problem","order":4}]},{"id":"seed_aa42e026909c36d09b71b4e929d0f830","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"LRTF & HRRN Scheduling Algorithms","order":4,"contentType":"LEARNING","contentSlug":"lrtf-and-hrrn","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_968978d18fa0014292eb80ff859c9a1b","title":"Longest Remaining Time First (LRTF)","order":0},{"id":"seed_49625642b40089a99dfcd220735756d7","title":"Highest Response Ratio Next (HRRN)","order":1},{"id":"seed_e9a284c15f20a1db94a9faf17acbd422","title":"Response Ratio Formula: Mathematical Foundations","order":2},{"id":"seed_9e213d97de7390ae1bae2405ccc3f938","title":"Aging Mechanism: Preventing Starvation","order":3},{"id":"seed_dc5c951843f6e954e6d980cd9822645c","title":"Comprehensive Algorithm Comparison","order":4}]},{"id":"seed_2cf39c51ad3b333119373b476d1a7a2d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Priority Scheduling","order":5,"contentType":"LEARNING","contentSlug":"priority-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5aac9d15127bd193c24e6e86d046ca99","title":"Priority Assignment","order":0},{"id":"seed_b4e6676da9ecd674aab0ec10dbc61850","title":"Preemptive vs Non-Preemptive Priority Scheduling","order":1},{"id":"seed_7cf9c2e19b6bf65dec67338c4e0e1876","title":"The Starvation Problem","order":2},{"id":"seed_879d6cba0cf0f7d6a4cfbbbfee49363a","title":"The Aging Solution","order":3},{"id":"seed_30fedf1a791f121b9bc24db117305eec","title":"Multiple Priority Levels","order":4}]},{"id":"seed_a654fb84db3346da0c6d9bc83d4d5d58","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 8: Cpu Scheduling","sectionOrder":10,"title":"Round Robin & Multi-Level Queue Scheduling","order":6,"contentType":"LEARNING","contentSlug":"round-robin-and-multi-level-queue","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d454696bee2f33891cac67b1ffc0bc0c","title":"Round Robin Algorithm","order":0},{"id":"seed_2d20b2d5a2157b9babded9b835f4b5b6","title":"Time Quantum Selection","order":1},{"id":"seed_859dd27e5e0628345ea6bb85fdd7980c","title":"Multi-Level Queue Scheduling","order":2},{"id":"seed_600a91dbf58d5f094ec4dcdca1d15f96","title":"Multi-Level Feedback Queue (MLFQ)","order":3},{"id":"seed_c8b08229ce44afe621501ac83de8501e","title":"Queue Movement Policies","order":4}]},{"id":"seed_84d9ae211ca63350c5015c92962347ce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"thread-fundamentals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_399ce97a5f8e1a25817472639cc18f85","title":"Thread Definition","order":0},{"id":"seed_8ff1b83f7a0294a1c3d6f573fc44e3c4","title":"Thread vs Process","order":1},{"id":"seed_834c593cf67c9faf6df99a506141505f","title":"Shared Resources","order":2},{"id":"seed_f58e546d4986506bc8c19ccbf2571294","title":"Thread-Specific Resources","order":3},{"id":"seed_315c91a70224453dac463d1fdee707d9","title":"Benefits of Threading","order":4}]},{"id":"seed_e8de0944542297d2927e25437ca5ff5c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"User-Level Threads","order":2,"contentType":"LEARNING","contentSlug":"user-level-threads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1ba9d36e4037fe7a4a9c80bb085b3c5b","title":"Thread Library in User Space","order":0},{"id":"seed_3926ef4d89250fbe9fda34f347822a4c","title":"Fast Context Switching","order":1},{"id":"seed_a196b67cdc937e19f88bd6db5bfa25a0","title":"No Kernel Awareness","order":2},{"id":"seed_c9a8873c258f06bce2ac6a7986e5d5de","title":"The Blocking Problem","order":3},{"id":"seed_35bc7cbdf64e9e56fcdac415c9662409","title":"Green Threads","order":4}]},{"id":"seed_d65203d8191335be6756f1fc3662f58a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Kernel-Level Threads","order":3,"contentType":"LEARNING","contentSlug":"kernel-level-threads","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_548b1a9d118e3e0424f3020253bc7fb6","title":"Kernel Thread Support","order":0},{"id":"seed_5d53ab95969d387fb9aae29f1c27547d","title":"System Call Per Thread","order":1},{"id":"seed_c9917f8b42feef9afc9be6b06965a025","title":"True Parallelism","order":2},{"id":"seed_c28861e7221c1e2a3943045d2f79f37a","title":"Overhead Considerations","order":3},{"id":"seed_aafdbe0e57df24a7c8236b5ab14d67bf","title":"Modern OS Support","order":4}]},{"id":"seed_1147b92814dd4a879d191ad966fa2628","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Threading Models: Mapping User and Kernel Threads","order":4,"contentType":"LEARNING","contentSlug":"threading-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_18d4f46b43a0cdc6f3a507bca8fddfb9","title":"Many-to-One Model","order":0},{"id":"seed_ad56a27c75a468dd2e4289dba918a2a1","title":"One-to-One Model","order":1},{"id":"seed_cfd2883dd23f422723a9c3a2c9d2bd3f","title":"Many-to-Many Model","order":2},{"id":"seed_a051369798002de599b2896cc35f7a16","title":"Two-Level Model","order":3},{"id":"seed_db5881b97ae56080e16361dd1f38763a","title":"Model Comparison","order":4}]},{"id":"seed_45942b7628dcb2c31cbc02a7ebf6953d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Libraries","order":5,"contentType":"LEARNING","contentSlug":"thread-libraries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c50f51123bf9de885b2549998cee0da1","title":"Pthreads (POSIX Threads)","order":0},{"id":"seed_b29d96d502f9fe200a5e76fbc942709f","title":"Windows Threads","order":1},{"id":"seed_1ac2e5e6e178404a0bf67f93c9a23bce","title":"Java Threads","order":2},{"id":"seed_ae0c57fffa2be5e61f5a098b0ffe5425","title":"Thread Creation","order":3},{"id":"seed_c1c183a0944f0c8d26c8a172fcce5a06","title":"Thread Joining","order":4}]},{"id":"seed_a75092c3cf00c5ca285943bbca9958f3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 9: Thread Concepts","sectionOrder":11,"title":"Thread Issues","order":6,"contentType":"LEARNING","contentSlug":"thread-issues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a6f7c4ffd98366ceb0bda3e8be04325f","title":"Thread Cancellation","order":0},{"id":"seed_db431e8277e44654b22ba0749d5d4793","title":"Signal Handling in Threads","order":1},{"id":"seed_e039bd5ab06d15e017cdcfab4a72c7cb","title":"Thread-Local Storage","order":2},{"id":"seed_ab395df003a8047759d9b6aeaa9eecb6","title":"Thread Safety","order":3},{"id":"seed_83f2a2d46145cfb9927217cf3d8a6a0f","title":"Reentrancy","order":4}]},{"id":"seed_7712ba1c01e9ee5fabc424b5c4723c99","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Concurrency Concepts","order":1,"contentType":"LEARNING","contentSlug":"concurrency-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a3ba0eada198e12cf7af15f1490b5d07","title":"Concurrency vs Parallelism","order":0},{"id":"seed_6feea0ce4e08635948ffda5201cda15a","title":"Sequential Consistency","order":1},{"id":"seed_f5a174050a5fc2d15c26a0248f321e0b","title":"Data Races","order":2},{"id":"seed_744d88251689bf21f9aa0f490e2b3e9c","title":"Critical Regions","order":3},{"id":"seed_621772faee12e9f995395b56ca39797c","title":"Atomicity","order":4}]},{"id":"seed_fd5bc15b164eadabd248b2006512dbaf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Fork-Join Model","order":2,"contentType":"LEARNING","contentSlug":"fork-join-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6fe42aeffa9ac01bba83832954bd5edc","title":"Fork Operation","order":0},{"id":"seed_a3a254ef4d815b1af638ac90123c5efa","title":"Join Operation","order":1},{"id":"seed_d8bd60ab19be8295e573368152d9ebbd","title":"Task Decomposition","order":2},{"id":"seed_91868ffc5975bc2488369b07afd49216","title":"Java Fork/Join Framework","order":3},{"id":"seed_e9121c52a61376f6ad2187359545392a","title":"Parallel Divide-and-Conquer","order":4}]},{"id":"seed_2a7bf29b720b17371ef92b924755cc80","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"The parbegin-parend Model: Structured Concurrent Execution","order":3,"contentType":"LEARNING","contentSlug":"parbegin-parend-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_baea6dcda92df8d550414c4b68866260","title":"Parallel Block Notation","order":0},{"id":"seed_16705c4853b179552d6fe455d7935de1","title":"Structured Parallelism","order":1},{"id":"seed_2a1bcb1b32289a3b5b8527051518bd11","title":"Cobegin-Coend","order":2},{"id":"seed_4a5f035b8560e651b32480f2f33b6f88","title":"Synchronization Points","order":3},{"id":"seed_6420b32a11e6e6182bb62e1d698912ff","title":"Academic Notation","order":4}]},{"id":"seed_1cee940d03b7febd2b73411f06a914fb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Thread Pools","order":4,"contentType":"LEARNING","contentSlug":"thread-pools","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1fc1c84f67d975106c40b9ddec21291a","title":"Pool Concept","order":0},{"id":"seed_20043c1708f678366939102715962c60","title":"Worker Threads","order":1},{"id":"seed_65e2694550740b1823f6ca2ce27b1d12","title":"Task Queue","order":2},{"id":"seed_350066d857c3636a758b81c4c6f1090a","title":"Pool Sizing","order":3},{"id":"seed_4014206b36ba1556e9e4608abe801729","title":"Benefits","order":4}]},{"id":"seed_bfd74c13ce11b9491b087cf01dd8a168","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Asynchronous Programming","order":5,"contentType":"LEARNING","contentSlug":"asynchronous-programming","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9ee1a4d66acedb3d2bf3eb687533a80e","title":"Asynchronous Operations","order":0},{"id":"seed_31d069b8f415026cefef60116102469b","title":"Callbacks","order":1},{"id":"seed_cf0b0ab0064c2776415b45e4d39bf66c","title":"Futures and Promises","order":2},{"id":"seed_28e7b6716fd1a8c01003bc05a3a8c1d2","title":"Event Loops","order":3},{"id":"seed_0af6a5d6e2ba5a8494c31178eaa78409","title":"Async/Await Patterns","order":4}]},{"id":"seed_513e0e1ded7d6283caae3de9b896a46b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 10: Concurrent Programming","sectionOrder":12,"title":"Common Concurrency Patterns","order":6,"contentType":"LEARNING","contentSlug":"common-concurrency-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_97f57d516f043c84bc4c8f456eb0575d","title":"Producer-Consumer Pattern","order":0},{"id":"seed_d5f5c156fcbf489314a9aaa597ef273d","title":"Reader-Writer Pattern","order":1},{"id":"seed_0f20b13c5e20be2665aac7b12e3dc1f5","title":"Pipeline Pattern","order":2},{"id":"seed_2cc8d9e6b14648998d5cbef798c4c84d","title":"Map-Reduce Pattern","order":3},{"id":"seed_45a4ca84cf970ea5a575b92d94624055","title":"Actor Model","order":4}]},{"id":"seed_ec50e85045d715685069205035d72720","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Multi-Processor Scheduling","order":1,"contentType":"LEARNING","contentSlug":"multi-processor-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bd33f187a22d405b031995e39b8d62e6","title":"Symmetric Multiprocessing (SMP)","order":0},{"id":"seed_9e8c94bbbd80e74ffbf407ef530f4cdb","title":"Asymmetric Multiprocessing (AMP)","order":1},{"id":"seed_7fabc5144982237b244c3237e87a4e6d","title":"Processor Affinity","order":2},{"id":"seed_057fe332d5e49667102844e4859b6d5b","title":"Load Balancing","order":3},{"id":"seed_abe10384fb6f8cc107c563b490b6ffb4","title":"NUMA Considerations","order":4}]},{"id":"seed_3f2fc1678dd6a01fde9a807692bba569","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Load Balancing in Multiprocessor Systems","order":2,"contentType":"LEARNING","contentSlug":"os-load-balancing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5f81d9b47621626e9229e63f36d3f3ac","title":"Push Migration: Proactive Load Distribution","order":0},{"id":"seed_4511c9fc0afb0eb3a9a91ef4f9bbb46b","title":"Pull Migration: Demand-Driven Load Distribution","order":1},{"id":"seed_c56ec33efb315f1af16cfb001df73c99","title":"Work Stealing: Algorithmic Load Balancing","order":2},{"id":"seed_18bc9121a8a8bf51fc3c5574cccac339","title":"Balancing Frequency: The When of Load Distribution","order":3},{"id":"seed_2fd8efaeb25d379193ad95d215d4df82","title":"Metrics: Measuring Load and Balance Quality","order":4}]},{"id":"seed_a550b0a396ce7fabcfdd5d852d88708c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Processor Affinity","order":3,"contentType":"LEARNING","contentSlug":"processor-affinity","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e2e917838074a009a4d04798ef870aa4","title":"Soft Affinity","order":0},{"id":"seed_c18cfb21aa33766000f9eb50061f1cc4","title":"Hard Affinity","order":1},{"id":"seed_35ce5882bc8a374f483595e0f498de0d","title":"Cache Effects","order":2},{"id":"seed_100ea28857314bfc8587cc6497dc91da","title":"Setting Affinity","order":3},{"id":"seed_7bd43b8f4197ef51c5a2767ea488d507","title":"Performance Implications","order":4}]},{"id":"seed_dc62ac0fcc6707daf18963371012f01e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Real-Time Scheduling","order":4,"contentType":"LEARNING","contentSlug":"os-cpu-scheduling-advanced-real-time-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_82cc248293d113d2fc20203ad0a8c53a","title":"Hard vs Soft Real-Time","order":0},{"id":"seed_de7adeec4427138ced09320a9c522a37","title":"Deadline Scheduling","order":1},{"id":"seed_ec364106fa557f4b9b7730295cc2a4df","title":"Rate-Monotonic Scheduling","order":2},{"id":"seed_98b355692c92338be0b6fd3fbd337fb2","title":"Earliest Deadline First (EDF)","order":3},{"id":"seed_058608331be8f8f662a18dd0d12cd1de","title":"Feasibility Analysis","order":4}]},{"id":"seed_9a7a209c38cbdf505869ca78f3755493","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Linux Scheduling","order":5,"contentType":"LEARNING","contentSlug":"linux-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_cb83c1e0909036f90563ff5f6043235c","title":"Completely Fair Scheduler (CFS)","order":0},{"id":"seed_8da161cac7461ae41434acdf72fce940","title":"Virtual Runtime","order":1},{"id":"seed_a12cd02496581a8181c4e819e0779edd","title":"Red-Black Tree","order":2},{"id":"seed_e32efab2a9a59314b2ed00d4faa976c6","title":"Real-Time Policies","order":3},{"id":"seed_57122fa061a8acfff766cbca3c7fbb4b","title":"Nice Values","order":4}]},{"id":"seed_ede70642db3e09cef4cf709ccff54f65","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 11: Cpu Scheduling Advanced","sectionOrder":13,"title":"Windows Scheduling","order":6,"contentType":"LEARNING","contentSlug":"windows-scheduling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6ea5985cf45b98a974d5f3c616e4e90b","title":"Priority Classes","order":0},{"id":"seed_bb83219fc66c15f0a489fc7e10ddc24e","title":"Priority Levels","order":1},{"id":"seed_c82bbbb2aa517d827569ad1fa7adee44","title":"Priority Boosting","order":2},{"id":"seed_63fb9ba75b56d8649fc6a9e183741ccd","title":"Quantum Management","order":3},{"id":"seed_74a785a6a7b526b6b86342d6746874de","title":"Comparison with Linux","order":4}]},{"id":"seed_538a852460c650c526ab0c98cc6a39ab","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Race Conditions","order":1,"contentType":"LEARNING","contentSlug":"race-conditions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2bb5c21c1acf50b394c2e23043f539db","title":"Race Condition Definition","order":0},{"id":"seed_381aafcd9fee9ef6a35be3723822c5a8","title":"Non-deterministic Behavior","order":1},{"id":"seed_d33b1525d9937b8b5c4169eb2cc3cf7a","title":"Time-of-Check to Time-of-Use (TOCTOU)","order":2},{"id":"seed_b71e7b2a6a8bfd5ddf98bcd95368b2be","title":"Race Condition Examples","order":3},{"id":"seed_897320e9c7070e954721a2a154fc9b8d","title":"Race Condition Detection","order":4}]},{"id":"seed_b0391dad5390b2a5509d154284068c68","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"The Critical Section Problem","order":2,"contentType":"LEARNING","contentSlug":"critical-section-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_30ed5bd860c8c89b38159352a3604d9e","title":"Critical Section Definition","order":0},{"id":"seed_2de650f6205375452de48330f58b9735","title":"Entry Section","order":1},{"id":"seed_04c09c983a59657f660a65d4d7fe150c","title":"Exit Section","order":2},{"id":"seed_58fa5c7c04e5854e72ed979b0e38d01c","title":"Remainder Section","order":3},{"id":"seed_2bde40369c57a750f38737d8ef1d1f41","title":"Problem Requirements","order":4}]},{"id":"seed_a2845ec49a964316d45468e706ca0ae0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Requirements for Solutions to the Critical Section Problem","order":3,"contentType":"LEARNING","contentSlug":"requirements-for-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d2222b8002539d2d1d6ab24ae56743fd","title":"Mutual Exclusion: The Cornerstone of Synchronization","order":0},{"id":"seed_379cc74fb3adfa19d34f75c2203787e0","title":"Progress: Preventing Unnecessary Blocking","order":1},{"id":"seed_d458daef0eae393cd4ff9cee2afcc68e","title":"Bounded Waiting: The Fairness Guarantee","order":2},{"id":"seed_a0393e82b0f8350b540ca64fc756d72c","title":"Solution Evaluation: A Systematic Framework","order":3},{"id":"seed_4c147181a91c037790cbb6bd3f104b55","title":"Correctness Proofs: Rigorous Verification","order":4}]},{"id":"seed_292c003373582ceb8518dc40d3d98e5a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Peterson's Solution","order":4,"contentType":"LEARNING","contentSlug":"petersons-solution","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f6729bdce0bc63bf793796822ef83b11","title":"Two-Process Solution","order":0},{"id":"seed_62c81b3c459daa81b2e4cf6ab1f7d9ab","title":"Turn Variable","order":1},{"id":"seed_f38df1d1695b312c8215dc3fb33efc09","title":"Flag Array","order":2},{"id":"seed_f300d62f84b0af7eb172f1ccf7102234","title":"Correctness Proof","order":3},{"id":"seed_e26fb523847a3ece34a21003e95bf7a6","title":"Limitations","order":4}]},{"id":"seed_734ef1c685c8634b040ec1d685812236","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Dekker's Algorithm","order":5,"contentType":"LEARNING","contentSlug":"dekkers-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a8da72dd87cb23e365fb1dbbeab65003","title":"Historical First Solution","order":0},{"id":"seed_c0628287fd31d989a13bb06daa52f89a","title":"Turn-Based Approach","order":1},{"id":"seed_7cad54f95394057dd900ad6ba212aa0f","title":"Flag Mechanism","order":2},{"id":"seed_6d4b5b6067101f3fa3adaafbdb2eb628","title":"Comparison with Peterson","order":3},{"id":"seed_1e27af4546985475a2465b933a014648","title":"Limitations","order":4}]},{"id":"seed_298e344dcd38b3be39e486afc23ba4ed","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 12: Synchronization Fundamentals","sectionOrder":14,"title":"Disabling Interrupts for Mutual Exclusion","order":6,"contentType":"LEARNING","contentSlug":"disabling-interrupts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ab9b16becd539fae6863dc664d086ce8","title":"Interrupt Disable Approach","order":0},{"id":"seed_16362cadab404b9d9fa71a0d6e08f1c6","title":"Single Processor Only","order":1},{"id":"seed_f823b4d82bea0092d66fc3bd64513e4e","title":"Privileged Operation","order":2},{"id":"seed_f68e516b8519bd541d5d975d4568e7d2","title":"Limitations","order":3},{"id":"seed_79b630be1d81f552442183a62f521305","title":"When Appropriate","order":4}]},{"id":"seed_1eddf95478ac90ee67e75d9a0dc7bcfb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks And Hardware Support","sectionOrder":15,"title":"Sleep and Wakeup Mechanisms","order":1,"contentType":"LEARNING","contentSlug":"sleep-and-wakeup","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_4f8fb743a832342b0fb2e3097e1e8de5","title":"Sleep Mechanism","order":0},{"id":"seed_da734230b44faf46117d127bb7e981d3","title":"Wakeup Mechanism","order":1},{"id":"seed_505b76499658b4df6ea286af021a5553","title":"Lost Wakeup Problem","order":2},{"id":"seed_a51a305cd271e231984c5a3914801ed4","title":"Implementation Challenges","order":3},{"id":"seed_940038b7187315a7e28e832df5db61bd","title":"Integration with Scheduler","order":4}]},{"id":"seed_bdfe65adf78f9dc9ded3bde19c222b3a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Spinlocks","order":1,"contentType":"LEARNING","contentSlug":"spinlocks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5c10da714bfc82aed484809ee4adb925","title":"Busy Waiting Concept","order":0},{"id":"seed_984925568aecacda53076f1c271bf8d8","title":"Spinlock Implementation","order":1},{"id":"seed_12905ff90f2bb7ee4aeceb4bef1a38de","title":"When Spinlocks Are Appropriate","order":2},{"id":"seed_2b0b65080f8964d230e968862b84bebd","title":"Spin Time Considerations","order":3},{"id":"seed_a715aa69eb71c9558b693a043d61851b","title":"Ticket Locks","order":4}]},{"id":"seed_a5b9d700782c503cdfe833d9ebfa65f2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Test-and-Set Lock (TSL): Hardware-Assisted Synchronization","order":2,"contentType":"LEARNING","contentSlug":"test-and-set-lock","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6ba0f0d175ed90bcb277d1aaedfa1c4a","title":"Atomic Test-and-Set: The Foundation of Hardware Synchronization","order":0},{"id":"seed_c0fc907a772238737668ac1057b590e6","title":"Hardware Support: How Processors Guarantee Atomicity","order":1},{"id":"seed_4a8bcd01cef76ead81ad4c9f67249b7b","title":"TSL Implementation: From Theory to Practice","order":2},{"id":"seed_70831342993dd3bd69cc3e4649fdfbe7","title":"Lock Implementation with TSL: Building Complete Synchronization","order":3},{"id":"seed_a696db15973a3cc38433506f40642442","title":"The ABA Problem: Understanding and Preventing a Subtle Concurrency Bug","order":4}]},{"id":"seed_4513483c67b0a39b1fb722040508bc07","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Compare-and-Swap: Foundation of Lock-Free Concurrency","order":3,"contentType":"LEARNING","contentSlug":"compare-and-swap","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0de1444182fe9b2a8b0dcaa7dc91c942","title":"The CAS Operation: Atomic Compare-and-Swap","order":0},{"id":"seed_79cdd490a12e8bb7870a8fd1fbc52c46","title":"Lock-Free Programming: Progress Without Blocking","order":1},{"id":"seed_40230a7edd3be9380151a2c02abd2d03","title":"CAS-Based Locks: From Spinlocks to Queue Locks","order":2},{"id":"seed_143d27b5da5eca8c121e52dc8ea15c23","title":"CAS Loops: The Heart of Atomic Programming","order":3},{"id":"seed_c24b0d337aa169418d26d61c880fe9ba","title":"CAS Performance: Latency, Throughput, and Optimization","order":4}]},{"id":"seed_6f9347e8c8a4b551eb419c0f615eeb09","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Mutex Locks: Mutual Exclusion Primitives","order":4,"contentType":"LEARNING","contentSlug":"mutex-locks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_4365636d225aece48dc2429dd670f369","title":"Mutex Concept: The Foundation of Mutual Exclusion","order":0},{"id":"seed_ab1f5c641e0057f88faa06a187bdf675","title":"Blocking vs Spinning: The Fundamental Mutex Tradeoff","order":1},{"id":"seed_770be97b53548533172c1e9a9a69e0ff","title":"Mutex Implementation: Building the Lock","order":2},{"id":"seed_db9a13de79861c2db2bacd6394c2779a","title":"Pthread Mutex: The POSIX Standard API","order":3},{"id":"seed_5f18b318c8d487eecb9e02bc45d4574a","title":"Recursive Mutex: When One Lock Isn't Enough","order":4}]},{"id":"seed_a18feea107e575395b7aeb854a4b90bc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 13: Locks Hardware Support","sectionOrder":16,"title":"Futex: Fast Userspace Mutex","order":5,"contentType":"LEARNING","contentSlug":"futex","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2f94527fdf96cc79ea12bc513c726ddb","title":"Fast Userspace Mutex","order":0},{"id":"seed_d788bde910318a15ede13789e0036247","title":"Futex Operations","order":1},{"id":"seed_32766567e89f197a63d5eda23be0a7fd","title":"Kernel Involvement","order":2},{"id":"seed_c295a802e54c555898c13b9b4964b4c1","title":"Performance Benefits","order":3},{"id":"seed_77e73047a39f5b81addfd62e60a7ede5","title":"Linux Implementation","order":4}]},{"id":"seed_0879fd294f8492fe9130f0cb34d4494b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"Semaphore Implementation","order":1,"contentType":"LEARNING","contentSlug":"semaphore-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_4a219ba187d543a7f34e270e8e274c18","title":"Blocking Implementation","order":0},{"id":"seed_f64230a53c5a55ae96c556ae42e6a34c","title":"Spinlock-Based Implementation","order":1},{"id":"seed_c6d3c7ef7d1962479d031ce2d86753c4","title":"Kernel Implementation","order":2},{"id":"seed_aa13ff45589546848359eed7dff54969","title":"Fairness Considerations","order":3},{"id":"seed_6e76f5fd8e365a5092b41a4619f0c333","title":"Priority Inversion","order":4}]},{"id":"seed_6a3691fb18a17667a8883296b7df6a41","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"The Dining Philosophers Problem","order":2,"contentType":"LEARNING","contentSlug":"dining-philosophers-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1b5bad06fa6adc725a71cf65070d1a4e","title":"Problem Description","order":0},{"id":"seed_61910dee6576a785d897a7d4a929b251","title":"Deadlock Potential","order":1},{"id":"seed_c6fb2965c3a3765d35b55c57b1b7e718","title":"Semaphore Solution","order":2},{"id":"seed_a6cf0f725b16e5d020caca4ba86302c9","title":"Resource Ordering","order":3},{"id":"seed_7dc179a820eca0ec27ca3c24811a9873","title":"Other Solutions","order":4}]},{"id":"seed_095741f1b4c7f4efa518c717b9806687","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores And Classic Problems","sectionOrder":17,"title":"Other Classic Synchronization Problems","order":3,"contentType":"LEARNING","contentSlug":"other-classic-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_388d6e7a14203ed67c387d0d3b821539","title":"The Sleeping Barber Problem","order":0},{"id":"seed_4e35997d801469e6b83acda1e0db9658","title":"The Cigarette Smokers Problem","order":1},{"id":"seed_82b30c9653c9b5ce5c4b32db8b14454a","title":"Bounded Buffer Variations","order":2},{"id":"seed_24710acd93aafdf6bb4d9d9aab08f1f8","title":"Common Patterns in Synchronization Problems","order":3},{"id":"seed_f9803e1759315ad25a65959db1e9d9a2","title":"Solution Strategies for Synchronization Problems","order":4}]},{"id":"seed_81039f64343301d7139508dcd36f3c33","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"Semaphore Concepts","order":1,"contentType":"LEARNING","contentSlug":"semaphore-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_eff34d59cc1688bc23586565302f3985","title":"Dijkstra's Semaphore","order":0},{"id":"seed_275f09bcef04f8312447833930bf2567","title":"Wait (P) Operation","order":1},{"id":"seed_4d0ea785c95a680db4b3c04695a63aa4","title":"Signal (V) Operation","order":2},{"id":"seed_f0972228e93aeb06e6a03de417ad202d","title":"Counting Semaphores","order":3},{"id":"seed_ce894f2d15a9f4547ec9d7620632dbbb","title":"Binary Semaphores","order":4}]},{"id":"seed_0a9e6ddf86fa8ec2dffdf17d2b9bdbf9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"The Producer-Consumer Problem","order":2,"contentType":"LEARNING","contentSlug":"producer-consumer-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_515d6393e36506c55c38b6bb71982759","title":"Bounded Buffer: The Foundation of Producer-Consumer","order":0},{"id":"seed_9d6436ccf776a5fb90ccd273c4973057","title":"Producer Logic: Generating Data for the Buffer","order":1},{"id":"seed_e226266e469e706cc70dd6cf451b44b0","title":"Consumer Logic: Processing Data from the Buffer","order":2},{"id":"seed_cc33d91bf3500f0243a42d9af22d7e7a","title":"Semaphore Solution: The Complete Implementation","order":3},{"id":"seed_dccdd7ea31b80542dbf2a75f2d58fdb9","title":"Correctness Analysis: Proving the Solution Works","order":4}]},{"id":"seed_da67f7f18123f7ebbe89efec6e979798","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 14: Semaphores Classic Problems","sectionOrder":18,"title":"Readers-Writers Problem","order":3,"contentType":"LEARNING","contentSlug":"readers-writers-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_75fbfbda8e733f2910f3d178b58ef207","title":"Problem Definition","order":0},{"id":"seed_b75cc52febf4b703f915927783cb1d39","title":"Readers Preference","order":1},{"id":"seed_28b33eacff4c1c5620a212a490e1da2d","title":"Writers Preference","order":2},{"id":"seed_91bab9040dfd85faf32d9cabad24e93e","title":"Fair Solution","order":3},{"id":"seed_f86f20e5d4bf326e821bf423331f4ddd","title":"Semaphore Solutions","order":4}]},{"id":"seed_8ef0f7a09ed19f4d09fa071bd04edd39","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Monitor Concept","order":1,"contentType":"LEARNING","contentSlug":"monitor-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7e92876293f552d8109da941bf569232","title":"Monitor Abstraction","order":0},{"id":"seed_550bb8dbad49a63e3bbd63c6de348c20","title":"Automatic Mutual Exclusion","order":1},{"id":"seed_1603bd9266939df6c0d3410aba6a4342","title":"Encapsulation","order":2},{"id":"seed_3feebab866fac485e42c907b249f2a32","title":"Advantage Over Semaphores","order":3},{"id":"seed_a09467b9f2115ee32e77924981c24dfb","title":"Monitor Structure","order":4}]},{"id":"seed_b378ecef8b5fb49e43e4397d2bf40f02","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Signal Semantics in Condition Variables","order":2,"contentType":"LEARNING","contentSlug":"signal-semantics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e38ba11c616503c62ccc232fd0977cab","title":"Signal and Wait: Immediate Transfer Semantics","order":0},{"id":"seed_e324a189cf4f1f78886e6f89e2397654","title":"Signal and Continue: Deferred Activation Semantics","order":1},{"id":"seed_7db2a9c4bd710d62bb80e380776792c7","title":"Mesa vs Hoare Semantics: The Two Paradigms","order":2},{"id":"seed_2659bb5ea52787fdcd892bda41d30e7b","title":"While vs If: The Correctness-Critical Choice","order":3},{"id":"seed_f71280f493884cd5febe1bceb67f5b43","title":"Practical Implications: From Theory to Production","order":4}]},{"id":"seed_7092734f4ee8ea0c9984e22c09d261a0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors And Condition Variables","sectionOrder":19,"title":"Broadcast: Waking Multiple Waiting Threads","order":3,"contentType":"LEARNING","contentSlug":"broadcast","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a99d020310914317f5c30d1cb92e3094","title":"Broadcast Operation: Waking All Waiting Threads","order":0},{"id":"seed_f784dc664360f30ce63055f1ff5db2da","title":"When to Broadcast: Identifying the Right Scenarios","order":1},{"id":"seed_889a45c41e51a717d92844d2618812fc","title":"Thundering Herd: The Cost of Waking Too Many","order":2},{"id":"seed_8549fd37b62f6f6354105d6b2ae32cf3","title":"Performance Considerations: Analyzing Broadcast Costs","order":3},{"id":"seed_7d52ffb9fd643a154298585acf809a19","title":"Use Cases: Broadcast in Practice","order":4}]},{"id":"seed_db6eb17a2e348139dd6e783594e74073","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Condition Variables: Synchronization for Complex Coordination","order":1,"contentType":"LEARNING","contentSlug":"condition-variables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_44145c726c80333763a372ea8747e0b3","title":"Condition Variable Purpose","order":0},{"id":"seed_6860ead692b44aa7bb662e89d471dc5b","title":"Wait Operation","order":1},{"id":"seed_09b0fcf97e4432c5e51e60fefda00779","title":"Signal Operation","order":2},{"id":"seed_a7717ea9f8e7d720c1a49a7a205bff0c","title":"Relationship to Mutex","order":3},{"id":"seed_377a78cbf78846cba04abd6d4f868a43","title":"Multiple Conditions","order":4}]},{"id":"seed_697b459f7503e5c6c1785005deecb424","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Pthread Condition Variables","order":2,"contentType":"LEARNING","contentSlug":"pthread-condition-variables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a88c17b17fda8e4ef6ed84fbc914888c","title":"pthread_cond_t","order":0},{"id":"seed_0bb8c07ec37f85a3a67ae0adcffd1e09","title":"pthread_cond_wait","order":1},{"id":"seed_27ba9db8a78cc428cf062d4cbe81d353","title":"pthread_cond_signal","order":2},{"id":"seed_6a842bd8c11969be2c910f1525c4d35b","title":"pthread_cond_broadcast","order":3},{"id":"seed_dd1154ffe836921ac9313ea6f35dc68d","title":"Proper Usage Patterns","order":4}]},{"id":"seed_b7edafb17356d821c60c3370cf2579e7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 15: Monitors Condition Variables","sectionOrder":20,"title":"Monitor-Based Solutions","order":3,"contentType":"LEARNING","contentSlug":"monitor-based-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_81bf544e0cc61d352c2a17debbbd5938","title":"Bounded Buffer with Monitors","order":0},{"id":"seed_5f03a4d9463ad92ea3110a2ed2ff9f0b","title":"Readers-Writers with Monitors","order":1},{"id":"seed_52f538f1d48d5e437a8054ac29e6f27a","title":"Dining Philosophers with Monitors","order":2},{"id":"seed_668c2d5f27ef237b20c6586b799eca70","title":"Comparison with Semaphores","order":3},{"id":"seed_eb10314feeae1d94a52df9fff120af64","title":"Implementation Patterns","order":4}]},{"id":"seed_a51245be2f1a65549356f824272ebc67","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Understanding Deadlock Concepts","order":1,"contentType":"LEARNING","contentSlug":"deadlock-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f5305e5b8206a5d423ea8a91d90b26b2","title":"Deadlock Definition","order":0},{"id":"seed_0e554d83caf5bfc6f0a7542b97e2c642","title":"Resource Types","order":1},{"id":"seed_7a93124cb85ef13f972ac03eeb8e2514","title":"System Model","order":2},{"id":"seed_09d1fd439b698c90d8f01e8dc9889944","title":"Real-World Examples","order":3},{"id":"seed_22c47407228d2bf12efce9f6a941d6ba","title":"Livelock Distinction","order":4}]},{"id":"seed_4334a5a41629eba66ae678384f7a3198","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Necessary Conditions for Deadlock","order":2,"contentType":"LEARNING","contentSlug":"necessary-conditions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8692af0ea1c9ea88116607e27c69cf44","title":"Mutual Exclusion","order":0},{"id":"seed_42cd177509129f122ef25c6d0cfe5759","title":"Hold and Wait","order":1},{"id":"seed_1aa030e50abe89c0c005426675b8dec6","title":"No Preemption","order":2},{"id":"seed_11cbd54dac8cd2189f1407512a28d887","title":"Circular Wait","order":3},{"id":"seed_fbad8a7ee13756dabe8ab9061e7342bf","title":"All Four Required","order":4}]},{"id":"seed_eba514d553d708252753631b90d328cf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Resource Allocation Graph","order":3,"contentType":"LEARNING","contentSlug":"resource-allocation-graph","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_eda34e9fe0964cf1e56e547d06f53505","title":"Graph Representation","order":0},{"id":"seed_3129979eaf012775ca5d59f7fb1a38f6","title":"Request Edges","order":1},{"id":"seed_fd9c0865ead986aae067d35d3959da29","title":"Assignment Edges","order":2},{"id":"seed_77dbc156984ffe75e0fdaaeee91fd221","title":"Cycle Detection","order":3},{"id":"seed_0cf0a593077976a4489b6f4f5fb8bc20","title":"Deadlock Identification","order":4}]},{"id":"seed_bb7f0a87d10c83a2d2af64a1f01103fc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Deadlock Prevention Strategies","order":4,"contentType":"LEARNING","contentSlug":"deadlock-prevention","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2e55c6450e1cc08cb9abeaed225c33cc","title":"Breaking Mutual Exclusion","order":0},{"id":"seed_f310603d8e2077af5e8087362eb9e926","title":"Breaking Hold and Wait","order":1},{"id":"seed_d2e38ab66b3112500a10e0f924d39dae","title":"Breaking No Preemption","order":2},{"id":"seed_52bc65e923a4cf28605a278d39458656","title":"Breaking Circular Wait","order":3},{"id":"seed_cd0cccad8b6f6977633ae28c851f545a","title":"Tradeoffs","order":4}]},{"id":"seed_736704f63cb8208d80c74ea8167d560a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Banker's Algorithm: Deadlock Avoidance","order":5,"contentType":"LEARNING","contentSlug":"bankers-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_cb916a54e08c092614d835ae46da3806","title":"Safe State Concept","order":0},{"id":"seed_0fb3c76f8f47c786b03855cef16292ce","title":"Safety Algorithm","order":1},{"id":"seed_016b9f5992530df9f7d2132e5b3fc71b","title":"Resource Request Algorithm","order":2},{"id":"seed_87d0336205be30ecae2cc77e2cf77add","title":"Multiple Instances","order":3},{"id":"seed_2b0d6a01a6afebead5b5436d438744aa","title":"Example Walkthrough","order":4}]},{"id":"seed_ce49823af1ff69c3e6c04e24df43a55e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 16: Deadlocks","sectionOrder":21,"title":"Deadlock Detection and Recovery","order":6,"contentType":"LEARNING","contentSlug":"detection-and-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_555fcda612c772ecb414b07a021cf0e3","title":"Detection Algorithms","order":0},{"id":"seed_cc7a6639ffce638a6e1a7276ab97a09d","title":"Single Instance Detection","order":1},{"id":"seed_fd2a64d9404290e2cfc18d7fdd79b9b6","title":"Multiple Instance Detection","order":2},{"id":"seed_18de1786a80041ef6aaada33c9d19ed9","title":"Recovery Options","order":3},{"id":"seed_d5d2f9776fc3aa085154b6e133de7c63","title":"Process Termination","order":4},{"id":"seed_367b66e00f8a533d0f9ee79d6c6d15a0","title":"Resource Preemption","order":5}]},{"id":"seed_1359692a0cd69411d8512612b6e774c1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Memory Management Goals","order":1,"contentType":"LEARNING","contentSlug":"memory-management-goals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7e80854902a48f565aec5376dcec5fce","title":"Memory Allocation","order":0},{"id":"seed_7c007627f0d96b186840ab147071a8b9","title":"Protection","order":1},{"id":"seed_50110492ffd6f74b86787947c10a7af4","title":"Sharing","order":2},{"id":"seed_e467133128f10b50d1197a8d7ab97cbb","title":"Logical Organization","order":3},{"id":"seed_7b6435d8fb6f59db01148a5ce7a94b82","title":"Physical Organization","order":4}]},{"id":"seed_675f925abcc1f6bb1164f9a18fc17887","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Address Binding: From Source to Execution","order":2,"contentType":"LEARNING","contentSlug":"address-binding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2238412f10cb15cd849dd7a480ba102e","title":"Compile-time Binding","order":0},{"id":"seed_9202aec89777b705db74d4f58e91f112","title":"Load-time Binding","order":1},{"id":"seed_ce3bdd0a186dc1e18d8673d11a9c53df","title":"Execution-time Binding","order":2},{"id":"seed_a733cdd9ecbdb953e7aaa499db705b8a","title":"Relocatable Code","order":3},{"id":"seed_ab8d0721bc37f26c2214e44bae03312b","title":"Dynamic Loading","order":4}]},{"id":"seed_41f2ed027a756b7a34b1ee22d832f5f0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Understanding Logical vs Physical Addresses","order":3,"contentType":"LEARNING","contentSlug":"logical-vs-physical-addresses","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_303d065c4e82d48b2cd15c4d3e1c5830","title":"Logical Address Space","order":0},{"id":"seed_c74a84b15ec1c4326e6afdfe8a8989cb","title":"Physical Address Space","order":1},{"id":"seed_6f67e8b00f0f6a4e31ce15614cec2f54","title":"Address Translation","order":2},{"id":"seed_545328da0f69dbd15febc0067a189080","title":"Memory Management Unit (MMU)","order":3},{"id":"seed_d50d1eb9ca39eb26d2d591404b56cc14","title":"Base and Limit Registers","order":4}]},{"id":"seed_d3b080d578a2e4bcb2b240767bc2e833","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Linkers and Loaders","order":4,"contentType":"LEARNING","contentSlug":"linkers-and-loaders","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_3a45870b190736448f89970c53fc9028","title":"Compilation Process","order":0},{"id":"seed_6395b26409ecc4e8ceb9e2a89a42ff5a","title":"Object Files","order":1},{"id":"seed_3aefd25ddff1bd7574136fc5278e5af3","title":"Linking (Static and Dynamic)","order":2},{"id":"seed_cb911e18150b56126917963e5eb39f7c","title":"Loading Process","order":3},{"id":"seed_fd6081e973283aa2e65a3dd69361512e","title":"Relocatable Code","order":4}]},{"id":"seed_27a52b5c729f9c878badfdbf7dcc7211","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Swapping","order":5,"contentType":"LEARNING","contentSlug":"swapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_eabde7acccddd1e72ea808895e7bd77f","title":"Swap Space","order":0},{"id":"seed_c2119419d38cb34a5248d00d7d30d7d1","title":"Swap In/Swap Out","order":1},{"id":"seed_2710f1abd0ec02a494a8ea483e1369d0","title":"Standard Swapping","order":2},{"id":"seed_5cbf93de9f7fc6aecad76a2ccbc9c400","title":"Swapping with Paging","order":3},{"id":"seed_1d744ade507b44e897e4c90cadf1444b","title":"Performance Considerations","order":4}]},{"id":"seed_cb5a855d17df9d9fccf5a1ba85c07b2b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 17: Memory Management Fundamentals","sectionOrder":22,"title":"Overlays","order":6,"contentType":"LEARNING","contentSlug":"overlays","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9876720f679b13c464e2ceeeaf4c50bf","title":"Historical Technique","order":0},{"id":"seed_419f0fb92662c30194ecda56485f33d9","title":"Overlay Structure","order":1},{"id":"seed_c2b1a3f83fdb39100cfb727f9e53e9b7","title":"Manual Memory Management","order":2},{"id":"seed_b41f657a9eab9e9a46b05c1fd7c1b705","title":"Why Obsolete","order":3},{"id":"seed_5490837d7d679d26a4f7ba1bbd62288c","title":"Historical Significance","order":4}]},{"id":"seed_a1f928a457011df2c378cddab161a114","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Contiguous Memory Allocation Fundamentals","order":1,"contentType":"LEARNING","contentSlug":"contiguous-allocation-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e951c7d57436d8aef3d09a96c35bf6b5","title":"Single Partition Allocation","order":0},{"id":"seed_052b2314957a2d22da31d6b5d855bf61","title":"Multiple Partitions","order":1},{"id":"seed_c19db895995bca9c41e7dd7471c011f0","title":"Protection with Base/Limit Registers","order":2},{"id":"seed_2357421200a8c84dc5c74ae6ad049128","title":"Relocation Register","order":3},{"id":"seed_467d0e649fff235ee532abca9518601a","title":"Advantages and Limitations","order":4}]},{"id":"seed_81f9769996020bf3795c83493b0eab2f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Fixed Partitioning: Static Memory Division","order":2,"contentType":"LEARNING","contentSlug":"fixed-partitioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ce9d45d3cde502b2e7c1a0f9eb5c299f","title":"Equal-Size Partitions","order":0},{"id":"seed_d0cc11e56a063e3387879103387a791d","title":"Unequal-Size Partitions","order":1},{"id":"seed_39e0bbc7f0446a7e0eeb10b66726e236","title":"Internal Fragmentation","order":2},{"id":"seed_b86458ce362b26b262da2c05607a064f","title":"Partition Assignment","order":3},{"id":"seed_94d7d1ebb0d02555bc85c3762a6a6d08","title":"Limitations","order":4}]},{"id":"seed_e4474bca96bd36e0763125f758e465d3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Variable Partitioning","order":3,"contentType":"LEARNING","contentSlug":"variable-partitioning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_59bfd15a14b30a7b5705d23fb6b7600b","title":"Dynamic Partition Creation","order":0},{"id":"seed_15d388158318cf1aef3c8f054c3861fe","title":"Hole Management","order":1},{"id":"seed_ca601bf54f1531fae01eea0810151d58","title":"External Fragmentation","order":2},{"id":"seed_88abbe92e6cab6106b3c3c100a3ee695","title":"Partition Allocation","order":3},{"id":"seed_dbc57e6e888780c61b9a53055cb9467e","title":"Deallocation","order":4}]},{"id":"seed_2abcdef14133b361fc8bc438caf85066","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Memory Allocation Strategies","order":4,"contentType":"LEARNING","contentSlug":"os-contiguous-allocation-allocation-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_55eace933154210e3916fe28657673be","title":"First Fit Allocation Strategy","order":0},{"id":"seed_27c5a871e31fa519bc67b59d76213f4e","title":"Best Fit Allocation Strategy","order":1},{"id":"seed_756367a2d507cad3e7b80375ab3ad038","title":"Worst Fit Allocation Strategy","order":2},{"id":"seed_e308573f4b28c3edf7a1d89a752a90a0","title":"Next Fit Allocation Strategy","order":3},{"id":"seed_8c4654ac1b6886730fe101c13c89fba3","title":"Comparison and Analysis of Allocation Strategies","order":4}]},{"id":"seed_efac1ff2d107f726e496d816d5ad8230","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Memory Fragmentation: Internal and External","order":5,"contentType":"LEARNING","contentSlug":"os-memory-fragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bf9a92f0f7e7e13919f2340df50dbc57","title":"Internal Fragmentation","order":0},{"id":"seed_17c9e5c80e868bb7f9c94aba1e8889c5","title":"External Fragmentation","order":1},{"id":"seed_bb82f55ac8ca9fe0906cbae907eba27d","title":"The 50-Percent Rule","order":2},{"id":"seed_b092e180eb052161f01b4c487e79c1c9","title":"Fragmentation Measurement","order":3},{"id":"seed_fc06d54f4d83c8d35c6de88851fbe15d","title":"Impact on Performance","order":4}]},{"id":"seed_708b1569a3837117c1f3abefc7ec8cd7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 18: Contiguous Allocation","sectionOrder":23,"title":"Compaction and Buddy System","order":6,"contentType":"LEARNING","contentSlug":"compaction-and-buddy-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ef2fe080323d50423665bed262c578ba","title":"Memory Compaction","order":0},{"id":"seed_c62481c5cd293ded425b951a8bf6d15c","title":"Compaction Cost","order":1},{"id":"seed_574f0e26b0372fcdf97a3c0dcecf0652","title":"Buddy System Algorithm","order":2},{"id":"seed_7ea977cfb0aa70b0c8fbdd933ca48196","title":"Power-of-Two Allocation","order":3},{"id":"seed_ebd6b90e23c0bd49a322920508a97f16","title":"Buddy System Fragmentation","order":4}]},{"id":"seed_7ec2df224624b43b377d8568aa4e7438","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Paging Concepts","order":1,"contentType":"LEARNING","contentSlug":"paging-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_94ec3ea54603e18c0bb2a84210b9e71b","title":"Pages and Frames","order":0},{"id":"seed_59a1e43597debdb13edbff1d405e7a1a","title":"Page Size","order":1},{"id":"seed_1704a3afb7ebd5e59ad84f9f95302650","title":"Non-Contiguous Allocation","order":2},{"id":"seed_b82e8cc983c6c8aa75dd85fbe23c8c69","title":"No External Fragmentation","order":3},{"id":"seed_dbf14592beb37421df6adec386a334d5","title":"Internal Fragmentation","order":4}]},{"id":"seed_e6814eb8e4db13fd97cc5d2004ced057","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Page Tables","order":2,"contentType":"LEARNING","contentSlug":"page-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.230Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0b7c1f1749ff4afe3306d71ab8110848","title":"Page Table Structure","order":0},{"id":"seed_4c91a0d245d1d23a5d5586021dc1a219","title":"Page Table Entry (PTE)","order":1},{"id":"seed_e68c295751576e70429ed748377d651b","title":"Valid/Invalid Bit","order":2},{"id":"seed_0db4e6e627763d7ab56e3a6f36eb623e","title":"Protection Bits","order":3},{"id":"seed_c6161ac9aa1dc4b53ba5604a8df6bb6c","title":"Page Table Location","order":4}]},{"id":"seed_9310e6e155aa02f9d5e95fc58087cbd9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Paging Address Translation Mechanisms","order":3,"contentType":"LEARNING","contentSlug":"paging-address-translation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7902e2c6368f2e9036f209db8af9435b","title":"Page Number Extraction","order":0},{"id":"seed_7ef29b5aca7ec1f6c3210dc6649bf9d4","title":"Offset Extraction","order":1},{"id":"seed_09c67265c04b16c82b8c97b20d5da787","title":"Frame Lookup","order":2},{"id":"seed_7201a64f108babedfee0f656f0a920c5","title":"Physical Address Formation","order":3},{"id":"seed_3850b3fe1b48da1a36f1b386fe78336a","title":"Translation Example","order":4}]},{"id":"seed_5f3c7ed52b32aba9548a8057002274e4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Translation Lookaside Buffer (TLB)","order":4,"contentType":"LEARNING","contentSlug":"translation-lookaside-buffer","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c39c42c2df69a267f03692b7f068406b","title":"TLB Purpose","order":0},{"id":"seed_a6fb97c61ffcc5b8507dc43457e9ebbb","title":"Associative Memory","order":1},{"id":"seed_4592b2aa8d58e8b48572aa67961b0ade","title":"TLB Hit/Miss","order":2},{"id":"seed_61a217e9a1eff4362893b942558d7e98","title":"Effective Access Time","order":3},{"id":"seed_7b6fbf7323cdd090064654bd1825facd","title":"TLB Replacement","order":4}]},{"id":"seed_5bb9082c057bdb717b525fff885ee456","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Multi-Level Paging","order":5,"contentType":"LEARNING","contentSlug":"multi-level-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1e700fc12e5799e7ebd0b855124cb802","title":"Two-Level Paging","order":0},{"id":"seed_53d9a0e76af4972baa2edece335747d7","title":"Three-Level Paging","order":1},{"id":"seed_a70c2b232aa6279a12acc58407f28f2c","title":"Hierarchical Page Tables","order":2},{"id":"seed_36e9c3ca3907cbc2529d4398e8842119","title":"Address Translation","order":3},{"id":"seed_2aadce3720b83d0f6cbd1f1a6c6d65a6","title":"Space-Time Tradeoff","order":4}]},{"id":"seed_7f589afea1b45ccdc3408081b0f2151d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 19: Paging","sectionOrder":24,"title":"Hash-based and Inverted Page Tables","order":6,"contentType":"LEARNING","contentSlug":"hash-based-and-inverted-page-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8b7847384c569b1022b9e1ff2a774627","title":"Hashed Page Tables","order":0},{"id":"seed_fe8eefd7cc57d67c682542b75dde35a1","title":"Collision Handling in Hashed Page Tables","order":1},{"id":"seed_061344e78df57beba643404359073999","title":"Inverted Page Tables","order":2},{"id":"seed_b52e65f4650bcf88a6b8fdcbbaa7f242","title":"Single Table for All Processes","order":3},{"id":"seed_1487c933d22b41c312b8a5139d82fa4f","title":"Sharing Challenges in Inverted Page Tables","order":4}]},{"id":"seed_48d8b374c98648d28c552478caa5aba1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation Concepts","order":1,"contentType":"LEARNING","contentSlug":"segmentation-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_918463e8f2a5cc9fa9daf9f9337f02c0","title":"Logical Segments","order":0},{"id":"seed_3808abbf13150c88bc69171209a7680d","title":"Code, Data, Stack Segments","order":1},{"id":"seed_af529713d7ad79a203c3637bcd364971","title":"Variable Segment Sizes","order":2},{"id":"seed_0bd291fe781d6afe2db6b4677837d4ef","title":"Programmer's View","order":3},{"id":"seed_43a7d16892a98c3514e8e85f2b673728","title":"Segment Table","order":4}]},{"id":"seed_49db44f086c862a4244afe70a9ab3d61","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segment Table","order":2,"contentType":"LEARNING","contentSlug":"segment-table","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6aaacc74997a6b278d619bb8b4aa6b44","title":"Segment Table Entry","order":0},{"id":"seed_64cb6f56ba506f68899c518ba714c2b3","title":"Segment Base","order":1},{"id":"seed_79c48178fcb1151f60fbb35bf095c3fa","title":"Segment Limit","order":2},{"id":"seed_45e68363788985f342239ae3c1434726","title":"Protection Bits","order":3},{"id":"seed_1345ed3c5610cb662ae6cca771d0c112","title":"Segment Table Location","order":4}]},{"id":"seed_e8ac3489b567b6c68e50ade467c44586","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation Address Translation","order":3,"contentType":"LEARNING","contentSlug":"segmentation-address-translation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f330e53c74022cd58c7609d43e6567ab","title":"Segment Number","order":0},{"id":"seed_7b3aca5bfdd0206538fed77ce90035f8","title":"Offset Within Segment","order":1},{"id":"seed_970ad8298467902218912a3357459f9a","title":"Bounds Checking","order":2},{"id":"seed_bdd2adaf7db744edd9c77c3269d74784","title":"Physical Address Formation","order":3},{"id":"seed_4900af30263a69a7342ab4d69f88b0f9","title":"Translation Example","order":4}]},{"id":"seed_3319256c906738d99ab40424ce0cd7d1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation vs Paging: A Comprehensive Comparison","order":4,"contentType":"LEARNING","contentSlug":"segmentation-vs-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_89e5c6baf7ffe00ce738341c903d7a42","title":"Comprehensive Comparison Table: Segmentation vs Paging","order":0},{"id":"seed_8fb42d6360c6adc294578ef57644256d","title":"Fragmentation Differences: Internal vs External","order":1},{"id":"seed_0fb32dfbe902b0e994e20cef081e98bf","title":"Sharing Differences: Logical vs Physical Sharing","order":2},{"id":"seed_4f7f8e1288739c2423ee1cc86b20fcc3","title":"Protection Differences: Semantic vs Physical Boundaries","order":3},{"id":"seed_6667463d85551ff7e4f8f4571eb0b89e","title":"When to Use Each: Practical Design Guidelines","order":4}]},{"id":"seed_3e144f44f2889dbe917af33c51a204e3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Segmentation with Paging","order":5,"contentType":"LEARNING","contentSlug":"segmentation-with-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_548067ebd2bb74aef61019e27f167213","title":"Combined Approach","order":0},{"id":"seed_2c4d10a56165a5faae6d77951ecc3616","title":"Intel x86 Example","order":1},{"id":"seed_7d35d1f1ac4a92d792c41618e385de5a","title":"Segment Descriptors","order":2},{"id":"seed_20d5337321ef0824fb7be668ca600c2c","title":"Paged Segments","order":3},{"id":"seed_75f52313bbf98b9ea3d92860cf9d7c09","title":"Modern Implementations","order":4}]},{"id":"seed_981dce20fa6c9cb3c0f806f660d1fcce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 20: Segmentation","sectionOrder":25,"title":"Intel x86 Memory Model","order":6,"contentType":"LEARNING","contentSlug":"intel-x86-memory-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_09dc05792fb487c1591b6d359895350b","title":"Protected Mode","order":0},{"id":"seed_02da0587f447a4ea944eb87f9a93bff6","title":"Global Descriptor Table (GDT)","order":1},{"id":"seed_c005056e6e7c3516e1d73d1a4ee2c66a","title":"Local Descriptor Table (LDT)","order":2},{"id":"seed_0d252a9f447292e28519895311010bfc","title":"Segment Selectors","order":3},{"id":"seed_ded92a5f3dc0d080a3cbb7ab5aff521c","title":"Modern x86-64 Changes","order":4}]},{"id":"seed_2d1300fa47e559dae9b232e2a9d52fb9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Virtual Memory Concepts","order":1,"contentType":"LEARNING","contentSlug":"virtual-memory-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_949296034fa62707e79d3932057ba330","title":"Virtual Address Space","order":0},{"id":"seed_eab8c23ea5d6ff90bd7e4724e391ed1f","title":"Larger Than Physical Memory","order":1},{"id":"seed_18fbd11c518309d3d02c232c6298164e","title":"Demand Paging and Segmentation","order":2},{"id":"seed_00652e897dec55ea67a23a48e0022ab9","title":"Benefits of Virtual Memory","order":3},{"id":"seed_e3d6b3010db7da51e0f179cc1ac4ad92","title":"Implementation Overview","order":4}]},{"id":"seed_74dfd56fb6d52454938e8bd47118c558","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Demand Paging","order":2,"contentType":"LEARNING","contentSlug":"demand-paging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2640baefff6178b6b5dcde3b7bdb5626","title":"Lazy Loading","order":0},{"id":"seed_0781f4655095c0843b0c8c0fc74140ab","title":"Valid-Invalid Bit","order":1},{"id":"seed_90d20df37e9f9342dbd49e8a8e953816","title":"Page Fault Handling","order":2},{"id":"seed_adfb7c3a9d66ac9efd696e0ed9e86835","title":"Pure Demand Paging","order":3},{"id":"seed_d6f224a7be11aeb2d32a65ec3b6f9658","title":"Prepaging","order":4}]},{"id":"seed_7d01ec09ff472f39b2e81a2bcb935c7d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Page Fault Handling: The Critical Path to Virtual Memory","order":3,"contentType":"LEARNING","contentSlug":"page-fault-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_23e498cfbd2b691502ef517ac7c10605","title":"Page Fault Detection","order":0},{"id":"seed_86dd43e870004b8f4aebca22d18e36f2","title":"Trap to OS","order":1},{"id":"seed_25b2be31275a70bef139be0ce69942c6","title":"Find Page on Disk","order":2},{"id":"seed_c92150ee9e6993752d6c59f9731b7d22","title":"Load into Frame","order":3},{"id":"seed_c76a25fbbdac7cd810d0069f332e6750","title":"Restart Instruction","order":4}]},{"id":"seed_b5fcc90890051f0b2b9f9bdc1b30ed87","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Copy-on-Write","order":4,"contentType":"LEARNING","contentSlug":"copy-on-write","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bad1d27033898b0c1358a1a37938cb1d","title":"COW Concept","order":0},{"id":"seed_c97ca5f49717963bb00306f0fc9031d4","title":"Shared Pages","order":1},{"id":"seed_6f0c2d91a7ba3401869792291a0f3af7","title":"Write Triggers Copy","order":2},{"id":"seed_195ddb09c115837ed2cc23e67473c51b","title":"Fork Optimization","order":3},{"id":"seed_6b44090e8fecbdfd5cb5865ae8f2e147","title":"Zero-Fill on Demand","order":4}]},{"id":"seed_ffee6b7a320b7433e2f39111d0a92637","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Memory-Mapped Files","order":5,"contentType":"LEARNING","contentSlug":"memory-mapped-files","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f34e1a06b3cb77352d3d128a17173942","title":"mmap() System Call","order":0},{"id":"seed_027f5004b2503d6c63613ae64a754bf2","title":"File as Memory","order":1},{"id":"seed_a3722a59e58feb9060b4917e9d4c1b3a","title":"Lazy Loading","order":2},{"id":"seed_7898bc340b651df5f085be4f1a2f0c72","title":"Shared Mappings","order":3},{"id":"seed_759c3fa26cb3ffa52eb80b96e8d9f7b9","title":"Private Mappings","order":4}]},{"id":"seed_7f60e57f035bc73c6047e0883cb42fe5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 21: Virtual Memory","sectionOrder":26,"title":"Shared Memory via Virtual Memory","order":6,"contentType":"LEARNING","contentSlug":"shared-memory-via-virtual-memory","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_894ef6b4470e9e4dbf2eec65760bbd64","title":"Page Sharing","order":0},{"id":"seed_af25b1697b7bf140417e65a5ca7659c6","title":"Shared Libraries","order":1},{"id":"seed_13ff409d3f9c782c3f0b3ec5944f1e6c","title":"Inter-process Shared Memory","order":2},{"id":"seed_eeb0d1e1d088f4ec651572889781a922","title":"Protection Considerations","order":3},{"id":"seed_2d3d83bd198c3dd0954a5643c0273054","title":"Implementation","order":4}]},{"id":"seed_bea5b47cc116ab03f9991178b3631bcd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"Page Replacement Need","order":1,"contentType":"LEARNING","contentSlug":"page-replacement-need","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_3bc344e450641d8be19b8832ed27525a","title":"Over-allocation","order":0},{"id":"seed_cc866d91b25315b6324e92d832cf7665","title":"Page Replacement Concept","order":1},{"id":"seed_94e51646b4b1fdd98e7b4afb58b76ae6","title":"Victim Selection","order":2},{"id":"seed_754c8cfe656e585cde1aa3442b61b4b7","title":"Dirty Bit","order":3},{"id":"seed_916095db6d0601797becf479b55a991a","title":"Modify Bit (Reference Bit)","order":4}]},{"id":"seed_e370c66076609b9b9e6c4656f86a2f88","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"FIFO Page Replacement Algorithm","order":2,"contentType":"LEARNING","contentSlug":"fifo-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1b06c05e48c57cedfc9b3477ebb8c2aa","title":"First-In, First-Out","order":0},{"id":"seed_5cfa13b3a81721ff39b4294b90f62167","title":"Simple Implementation","order":1},{"id":"seed_e047e602d2772dabbc55f57b873f7b90","title":"Belady's Anomaly","order":2},{"id":"seed_55ac283e05a31453366f29dd8842ad75","title":"Performance Issues","order":3},{"id":"seed_6a2f6018664a4b7ac2afef6e0e185f2c","title":"Queue Management","order":4}]},{"id":"seed_59f34d9e468d539410235ab2afa72563","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"The Optimal (OPT/MIN) Page Replacement Algorithm","order":3,"contentType":"LEARNING","contentSlug":"optimal-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_454cb5739cc8c7cbc10d5c4749fd21e3","title":"Replace Farthest Future Use","order":0},{"id":"seed_68e0a36495beaec949f4a5e8baa51506","title":"Theoretical Minimum","order":1},{"id":"seed_96f538184ee590900810b612e1ac799f","title":"Not Implementable","order":2},{"id":"seed_33f2ee6d84c64001bd4ba27262534c57","title":"Benchmark for Comparison","order":3},{"id":"seed_ea696e0da72e3d524640a6bb235baa6a","title":"Approximations","order":4}]},{"id":"seed_58e611be25d9eaad2e46da56fe86411e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"LRU (Least Recently Used) Page Replacement","order":4,"contentType":"LEARNING","contentSlug":"lru-algorithm","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_dbc6577bb811986582f93856ebeea2c0","title":"Least Recently Used: The Foundation of Practical Page Replacement","order":0},{"id":"seed_306227f89cc88d30faf2466437a5b7bc","title":"Recency-Based Decision Making: The Mathematics of LRU","order":1},{"id":"seed_f3652311b2d9e2272074f339279d1e48","title":"Implementation Challenges: Why True LRU is Impractical","order":2},{"id":"seed_2ae060e2c4b860b75027830f4cf37a0d","title":"Counter Implementation: Timestamps and Logical Clocks for LRU","order":3},{"id":"seed_3012429274b099cce6421470f7ce9e05","title":"Stack Implementation: Maintaining Explicit Recency Ordering","order":4}]},{"id":"seed_3b141aef6fe98ed68f6e61631da31d6b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"LRU Approximation Algorithms","order":5,"contentType":"LEARNING","contentSlug":"lru-approximations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d5ccee44b1f9f2febec46045f6697465","title":"Reference Bit","order":0},{"id":"seed_6457b8f11349f5c86e647351b57e6fd0","title":"Second-Chance (Clock) Algorithm","order":1},{"id":"seed_36caffb1d94e33e13d2074a941ae1635","title":"Enhanced Second-Chance Algorithm","order":2},{"id":"seed_8556dff9391331791f64966a750df16d","title":"Not Recently Used (NRU)","order":3},{"id":"seed_62729a7bc4d04e4da874c28e22422cad","title":"Clock Algorithm - Advanced Variants","order":4}]},{"id":"seed_1775094b82e4081250b3a008f71b281c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 22: Page Replacement","sectionOrder":27,"title":"Working Set Model and Page Fault Frequency","order":6,"contentType":"LEARNING","contentSlug":"working-set-and-pff","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bde6e732bf7408f8bcb6f7ab86efa523","title":"Working Set Model","order":0},{"id":"seed_1601ba65108fe7a90551dd382580fb28","title":"Working Set Window","order":1},{"id":"seed_3906570964244830cb57efa27e3608cc","title":"Page Fault Frequency (PFF)","order":2},{"id":"seed_afbef8d1cc1afc352508f5022886015f","title":"Dynamic Allocation","order":3},{"id":"seed_75e262313720d035d0783233ef6c7e2c","title":"Thrashing Prevention","order":4}]},{"id":"seed_e6326cc42a26f3cf6a90c1e641fe7ebe","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Frame Allocation Problem","order":1,"contentType":"LEARNING","contentSlug":"frame-allocation-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_67959125833b06ab2d9700c84c0c812b","title":"Limited Frames","order":0},{"id":"seed_ebf7da9d1056654d295a839c580eaca0","title":"Process Requirements","order":1},{"id":"seed_88d0e9ee901ce2fdd3ce9b61cfad360e","title":"Minimum Frames","order":2},{"id":"seed_69b1f32805b3236a20f88f455aa72909","title":"Allocation Strategies","order":3},{"id":"seed_11601f2ecce60146969fa4dd01873a8a","title":"Fairness Considerations","order":4}]},{"id":"seed_68b9eb39e23ceafe1477edf4b7e5783a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Thrashing: The Performance Catastrophe","order":2,"contentType":"LEARNING","contentSlug":"thrashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_37795a0755d54f1bdc1b6d9e54224d58","title":"Thrashing Definition","order":0},{"id":"seed_cac26430c5bd8b9772c187ec5675a443","title":"Cause: Insufficient Frames","order":1},{"id":"seed_d546727c42eafe2f766d9a390378f51b","title":"High Page Fault Rate","order":2},{"id":"seed_eca13bc74c46da2bf3f004cd6b1d6da1","title":"CPU Utilization Drop","order":3},{"id":"seed_27c7915b539f0dfcf23e0c301df36a14","title":"Detection Methods","order":4}]},{"id":"seed_92ee21095ae279cb17c1bdeb30f3a3ae","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Working Set Model","order":3,"contentType":"LEARNING","contentSlug":"working-set-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b7af5cfb6b9e95be49da4d96486ac3c1","title":"Locality Principle","order":0},{"id":"seed_9b426a61f7b2511a29331f078a184b1b","title":"Working Set Definition","order":1},{"id":"seed_2ca18469773dcceeb6fc340308837925","title":"Working Set Window (Δ)","order":2},{"id":"seed_e43cc378f01a18847bd9138d93716bd2","title":"WSS Tracking","order":3},{"id":"seed_541dba5d90df62611b614928ad5b2587","title":"Allocation Based on WSS","order":4}]},{"id":"seed_fd43da53d4496fbef64f128868f95db6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation And Thrashing","sectionOrder":28,"title":"Thrashing Solutions: Restoring System Stability","order":4,"contentType":"LEARNING","contentSlug":"thrashing-solutions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_46e2ba8215a777c3e8d7211de526f184","title":"Working Set Approach","order":0},{"id":"seed_d7887dfab3340388e36566949a1cf86f","title":"Page Fault Frequency","order":1},{"id":"seed_2cc96f0cfd220cf24948ad130dbe723c","title":"Load Control","order":2},{"id":"seed_7e608403a26c1828bd6c5d77fc730cd4","title":"Swapping Processes","order":3},{"id":"seed_840b5e1e6a0fa6877ffaef63fca872a1","title":"Adding Memory","order":4}]},{"id":"seed_1db12b50e5b04520e372819500de72b7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 23: Frame Allocation Thrashing","sectionOrder":29,"title":"Global vs Local Replacement","order":1,"contentType":"LEARNING","contentSlug":"global-vs-local-replacement","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_dc4edcc6a2c445891a8bddb593c05231","title":"Global Replacement","order":0},{"id":"seed_36204464bd85406e636e98dbd67c8f15","title":"Local Replacement","order":1},{"id":"seed_c63c62f7403a09964d0b6505b730f81d","title":"Process Interference","order":2},{"id":"seed_aab9db76fa338c830b27b29c57f841f0","title":"Performance Implications","order":3},{"id":"seed_fe24fcd1174ac4d9d0e48eafa3fa0e0f","title":"Choosing Strategy","order":4}]},{"id":"seed_5b294a7d9d9e56ba15690d2b6f891a99","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Linux Memory Management","order":1,"contentType":"LEARNING","contentSlug":"os-memory-management-in-practice-linux-memory-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_13969490d376654b600ed8a0a2e20670","title":"Virtual Memory Layout","order":0},{"id":"seed_2620ec7d7cb7b1c5a5fcaa874cbf8304","title":"Page Tables (x86-64)","order":1},{"id":"seed_53213343bcccd09d763cefd4995dcf5b","title":"Kernel Memory","order":2},{"id":"seed_fae5b18544dadcefd5f8ba09900fdb67","title":"User Memory","order":3},{"id":"seed_15467e7178e2879a7d437bd5ac3d9e04","title":"Memory Zones","order":4}]},{"id":"seed_86fc3a1c820a82ec8fde3c3b17aca2f5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Windows Memory Management","order":2,"contentType":"LEARNING","contentSlug":"windows-memory-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_81ce3eb5f6eeedda7763770a0eabd4f9","title":"Virtual Address Space","order":0},{"id":"seed_fab275f7fa4beca2262ad3974b7aab95","title":"Paging File","order":1},{"id":"seed_3ec1798062415e481bd3ae359acf2eb6","title":"Working Sets","order":2},{"id":"seed_17f5a90d485c42251e34a725c0ee312a","title":"Memory Pools","order":3},{"id":"seed_6465b0d82f2caaf84676b29f75ac5ed9","title":"Memory Compression","order":4}]},{"id":"seed_78b534009d4be91a8ec06f7bcd261dbe","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"NUMA Architecture","order":3,"contentType":"LEARNING","contentSlug":"numa-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b69dc8529e2b0fe2c02264a4883a7f0c","title":"Non-Uniform Memory Access","order":0},{"id":"seed_4425320f75c25ba7ca14f721ac559246","title":"NUMA Nodes","order":1},{"id":"seed_e300ddbca357062c24263d3435b54953","title":"Local vs Remote Access","order":2},{"id":"seed_46a4dc5eb129236a8c4bf502c748f5b0","title":"NUMA-Aware Allocation","order":3},{"id":"seed_af4225a6ee6fd98be220105165d2f372","title":"Performance Optimization","order":4}]},{"id":"seed_cf3a2f7161693cc12b4fd043aefbe346","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Huge Pages: Optimizing Memory Management at Scale","order":4,"contentType":"LEARNING","contentSlug":"huge-pages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c5fd7ca27eaf2e8369d8f785e59581d1","title":"Standard vs Huge Pages","order":0},{"id":"seed_887467ffff3f831a3aa8ba2ba91f46a9","title":"TLB Efficiency","order":1},{"id":"seed_00c6997d615b02dfe9bf5f0514005ec2","title":"Huge Page Allocation","order":2},{"id":"seed_40c8c1fc2d65542b733ca4e1ec00c5d6","title":"Transparent Huge Pages","order":3},{"id":"seed_4269336e5a83568782f1c9d04c3de8ca","title":"When to Use Huge Pages","order":4}]},{"id":"seed_88717754b9f03dcfea81a91aa8ff4a2a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Memory Compression","order":5,"contentType":"LEARNING","contentSlug":"memory-compression","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0d630c4808bee23761f71032ba778c02","title":"Compressed Page Cache","order":0},{"id":"seed_864e36e37e8054328b6c3ee3e768d01b","title":"zswap","order":1},{"id":"seed_e7f5fd37ec1a158720df76fc717dee1c","title":"zram","order":2},{"id":"seed_c5992f7157ebf89e0cd7f95d1ff82002","title":"Compression Algorithms","order":3},{"id":"seed_43bec525ba15d1925b42364fd93da9d3","title":"Performance Tradeoffs","order":4}]},{"id":"seed_8f05fbc44420a857d7f29b499908c247","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 24: Memory Management In Practice","sectionOrder":30,"title":"Memory Debugging: Detecting and Resolving Memory Errors","order":6,"contentType":"LEARNING","contentSlug":"memory-debugging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_572183f3e869591a7bdeda5dd50c74be","title":"Memory Leaks","order":0},{"id":"seed_f4850b1878d0cfa7a715a63765502236","title":"Buffer Overflows","order":1},{"id":"seed_a5754eb7811ee24d9ab611ebe644d475","title":"Use-After-Free","order":2},{"id":"seed_9d4f27f68c9e46f70a07f60982c99d4d","title":"Valgrind","order":3},{"id":"seed_cf8306dbdb1c167abd2f06bb8cb8cdb2","title":"AddressSanitizer","order":4}]},{"id":"seed_9d4f648d804555b00f76ae34c63b7e91","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Concepts","order":1,"contentType":"LEARNING","contentSlug":"file-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b2f05b952dccdd9e2bd36699b5ca4a5f","title":"File Definition","order":0},{"id":"seed_766885bc63246ddb65edbf779ced949c","title":"File Attributes","order":1},{"id":"seed_7a6b95bba6ab2b39de7b60bb87a5e6a0","title":"File Operations","order":2},{"id":"seed_decfa45a72433f9114e3d12176d39ffe","title":"File Types","order":3},{"id":"seed_b450988648da72b15a75611e2c28f3db","title":"File Structure","order":4}]},{"id":"seed_68c36972426fca538a1fdf5ae2cbc60d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Access Methods","order":2,"contentType":"LEARNING","contentSlug":"os-access-methods","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2eb394d49793de850086ee0a7de8a4d4","title":"Sequential Access","order":0},{"id":"seed_719551347d9a608104da9d05edfd8d84","title":"Direct (Random) Access","order":1},{"id":"seed_1e07a7be76cef59cae82a9b9d7e1119f","title":"Indexed Access","order":2},{"id":"seed_691aca2ba6c7b0dc0b8ece7bf214130e","title":"Access Method Comparison","order":3},{"id":"seed_584bee668e8d922a574e2999fedbd138","title":"Memory-Mapped Access","order":4}]},{"id":"seed_a18e62e8b77fcff0841a1e0002a80439","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Directory Structure","order":3,"contentType":"LEARNING","contentSlug":"directory-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6de0b81dda0e4b9e096745bcb0c29cb9","title":"Single-Level Directory","order":0},{"id":"seed_a9f3d3d5901ac4d2b4332d8edc9eccfa","title":"Two-Level Directory","order":1},{"id":"seed_a198f1571435df150aa5d8064685518e","title":"Tree-Structured Directory","order":2},{"id":"seed_c73559dba4cf32e639e530bf4d2e18f8","title":"Acyclic-Graph Directory","order":3},{"id":"seed_07b445bd004b031b3a5cec19fc01eef2","title":"General Graph Directory","order":4}]},{"id":"seed_4c3785c374dc010145535df7a559fd77","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Directory Operations","order":4,"contentType":"LEARNING","contentSlug":"directory-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b6253250f8fb836867c6c4ee1dbc24dd","title":"Create/Delete Files","order":0},{"id":"seed_82fca0f09eac73e338f310ca82496a98","title":"Create/Delete Directories","order":1},{"id":"seed_c4e6d29debb4ab1eaaa219a8452fab81","title":"List Directory","order":2},{"id":"seed_398a444f2bb0dc3252939249f6d1a53c","title":"Search","order":3},{"id":"seed_e60d56cda21d6554c870bf45c5ace28e","title":"Rename/Move","order":4}]},{"id":"seed_585e7e8efc4278fca3fcac513a128811","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"File Protection: Securing Persistent Data","order":5,"contentType":"LEARNING","contentSlug":"file-protection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_439970daae53b9dad9ef7a1ab5dbec10","title":"Access Control: The Foundation of File Security","order":0},{"id":"seed_a5a493c413222682d24d9f45f57c7e6a","title":"User/Group/World: Unix's Elegant Permission Model","order":1},{"id":"seed_8d2ed012e923650b99997557c8ae1de0","title":"Access Control Lists: Fine-Grained File Permissions","order":2},{"id":"seed_6f894c5af792f9bbd3566623a326b30c","title":"Capabilities: Object References as Access Tokens","order":3},{"id":"seed_5658b8b28aa52ebc575ede10f521a157","title":"Permission Models: The Complete Access Control Landscape","order":4}]},{"id":"seed_2a23330117de15b869ddf401e620bf88","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 25: File System Concepts","sectionOrder":31,"title":"Hard and Soft Links","order":6,"contentType":"LEARNING","contentSlug":"hard-and-soft-links","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_349c6b69156571f64a2010d9d7dce3dc","title":"Hard Links","order":0},{"id":"seed_b61cdf2da9d9cceab73d5a349a65119b","title":"Link Count","order":1},{"id":"seed_b7682277cd2d9559baf02532b51e2df8","title":"Soft (Symbolic) Links","order":2},{"id":"seed_a7921c1b5f6592101b789772f0a63c4f","title":"Dangling Links","order":3},{"id":"seed_d80c45e7f7e11cbbbc14af908b790ff6","title":"Use Cases","order":4}]},{"id":"seed_ae8196d972184c1fb01e625013fdb61d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"File System Layers","order":1,"contentType":"LEARNING","contentSlug":"file-system-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c1b13faa49741cbc5c921f86e52db588","title":"Logical File System","order":0},{"id":"seed_c7e1b913cc3c764b5412170c3f3387aa","title":"File Organization Module","order":1},{"id":"seed_0697dc42b9b52858b8455de18520ba5d","title":"Basic File System","order":2},{"id":"seed_169e51ac23af057edd12c3b4038c3afd","title":"I/O Control","order":3},{"id":"seed_2680d81814f561934737fbeae9135351","title":"Device Drivers","order":4}]},{"id":"seed_654aa70ff1777323fe5ef221936613bb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Contiguous Allocation","order":2,"contentType":"LEARNING","contentSlug":"contiguous-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_fe13d4e4adf6f5f0241600c5a57e2c5a","title":"Contiguous Blocks","order":0},{"id":"seed_6ce246a32204b2862505f13d19fa5acb","title":"Fast Sequential Access","order":1},{"id":"seed_049c1d6fccb43ecb2a88472703806d3b","title":"External Fragmentation","order":2},{"id":"seed_5e07ee2e7363687bc338f1b429d9d976","title":"Compaction Needed","order":3},{"id":"seed_5c3e6d27ff5b47c48b08c5e821d95c07","title":"Best for Read-Only","order":4}]},{"id":"seed_fbf33871afbf019e562093e3119c4d3a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Linked Allocation","order":3,"contentType":"LEARNING","contentSlug":"linked-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c5859dd2f598e064573175d5fb931fd8","title":"Linked List of Blocks","order":0},{"id":"seed_c361170b76aaf78971a984fcc23d8e3d","title":"Each Block Has Pointer","order":1},{"id":"seed_6b361c0dfe114866fab6c936ba177a09","title":"No External Fragmentation","order":2},{"id":"seed_7b81564c96887567c5662e2c4f02f771","title":"Poor Random Access","order":3},{"id":"seed_1d3df32eda21b0928c9912bae4531cb4","title":"FAT Optimization","order":4}]},{"id":"seed_e89504616e41380fb66c9bc7549c526a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Indexed Allocation","order":4,"contentType":"LEARNING","contentSlug":"indexed-allocation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bccfa22051d11b0a0bc47a6a4138380f","title":"Index Block","order":0},{"id":"seed_bf0d36836bb98d051538c017541c42f3","title":"Direct Pointers","order":1},{"id":"seed_6640c43c1655191ad4332b1afc07b1d9","title":"Random Access Support","order":2},{"id":"seed_3f85d834fe2dfbdd012e3902bced5e19","title":"Index Block Overhead","order":3},{"id":"seed_8277ec7f490c08cc8ab54181b514629e","title":"Multi-Level Index","order":4}]},{"id":"seed_a29fa5e68534fb8b13b3fd10b7fc7f13","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Free Space Management","order":5,"contentType":"LEARNING","contentSlug":"free-space-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_f2dc5e9871ec64f85660aa976f966fff","title":"Bit Vector (Bitmap)","order":0},{"id":"seed_febf0b4a8ddd6cf4955f45b006c561fa","title":"Linked List Free Space Management","order":1},{"id":"seed_a00b05ed86ebc6178c09c105d519cbfd","title":"Grouping Free Space Management","order":2},{"id":"seed_0c0c0e080168e275c02dc81be48a705f","title":"Counting Free Space Management","order":3},{"id":"seed_ec00b890a6ecde1cdfa40bda5e359831","title":"Space Maps","order":4}]},{"id":"seed_ccc909d59a36cc82306083d967779488","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 26: File System Implementation","sectionOrder":32,"title":"Directory Implementation","order":6,"contentType":"LEARNING","contentSlug":"directory-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d01961d1752b2d0e60f99e95ddb88637","title":"Linear List","order":0},{"id":"seed_3bf0c56b1bd2324ba2f978fdc06f2ca8","title":"Hash Table","order":1},{"id":"seed_3c09e6d71cd9ca35ad2b9a596c52c057","title":"B-tree","order":2},{"id":"seed_c0e4d86223ba975fd663b91dc980e26b","title":"Directory Entries","order":3},{"id":"seed_4316e00b73464887927dd623bbf0233c","title":"Name Lookup","order":4}]},{"id":"seed_e288c30d588f632bca1015d3b7d1d967","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"FAT File System","order":1,"contentType":"LEARNING","contentSlug":"fat-file-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0afdaa4ff91addb847987466c09c2301","title":"File Allocation Table","order":0},{"id":"seed_955063a8e816f096b315d619fc746cce","title":"FAT12, FAT16, FAT32","order":1},{"id":"seed_7039a5f06a62742d9865c3e1af90d85e","title":"Cluster Chains","order":2},{"id":"seed_62a17a868b950090ce409a9dc3dc8a40","title":"Directory Entries","order":3},{"id":"seed_a05bc7259b8237813a02bb917f282e0a","title":"Limitations","order":4}]},{"id":"seed_0e5ef8e12d36838f2bc357f4c3cd7244","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Unix inode Structure","order":2,"contentType":"LEARNING","contentSlug":"unix-inode-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b04777c40a7038515589697432a4f969","title":"inode Concept","order":0},{"id":"seed_75edd1b1277c50bf06f1cb2a5330045b","title":"inode Contents","order":1},{"id":"seed_6ffe8e87e450024ead81d97d29dde39f","title":"Direct Blocks","order":2},{"id":"seed_681ef72a3780acf43cce18016bacfeb1","title":"Indirect Blocks","order":3},{"id":"seed_bd4f0b92cfd345cf9cfa660bf93d17e6","title":"Double/Triple Indirect","order":4}]},{"id":"seed_56e16005c30759a706a200021da04ae6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Ext2/Ext3/Ext4 File Systems","order":3,"contentType":"LEARNING","contentSlug":"ext2-ext3-ext4","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_809bc1193caf83818d53a3b26da6a0a6","title":"Linux Extended File System","order":0},{"id":"seed_81c86e82b40472648c651d44c9c62204","title":"Block Groups","order":1},{"id":"seed_32dab5bc59fbceb7d78dd24c9cc15cdf","title":"Superblock","order":2},{"id":"seed_97354f8b209f0bb28d26db43953e6650","title":"Ext3 Journaling","order":3},{"id":"seed_7b708f5e6c93a4f64d125a4d18dd1393","title":"Ext4 Extents","order":4}]},{"id":"seed_3a6f1e8af132baebcf9bc66d41f8229b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"NTFS: The New Technology File System","order":4,"contentType":"LEARNING","contentSlug":"ntfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_fd571854ded1f7a5e181bfece222ef9e","title":"Windows File System","order":0},{"id":"seed_366809db5cf2feb7cde964d68b08e07a","title":"Master File Table (MFT)","order":1},{"id":"seed_c640c62ceb9fbf5ed3f9933a92447274","title":"Resident Attributes","order":2},{"id":"seed_02a6192a82ea9f2a3ff1c218b80ba3ad","title":"Change Journal","order":3},{"id":"seed_12f0ef6343c9bb3447974bba3e93a9b7","title":"Permissions","order":4}]},{"id":"seed_9b66121878b62d9b69998cb11ec9ec42","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"File System Comparison","order":5,"contentType":"LEARNING","contentSlug":"file-system-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_eba2972dfc32d85c98bc93263bbaf08d","title":"Feature Comparison","order":0},{"id":"seed_f010dcaecd20eb538ff6091ec5cc39ec","title":"Performance Characteristics","order":1},{"id":"seed_1960667a4bfee5b0a7aa725932808b6d","title":"Maximum Sizes","order":2},{"id":"seed_62f42d1ce98fd3c80f5c2b0df8157a45","title":"Journaling Support","order":3},{"id":"seed_e5bc043ed9f23af854d8053a821e4a2c","title":"Use Case Recommendations","order":4}]},{"id":"seed_2e746179b8be1e14a01b787b24e5f850","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 27: File System Structures","sectionOrder":33,"title":"Virtual File System (VFS)","order":6,"contentType":"LEARNING","contentSlug":"virtual-file-system","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_15405915bb6e3011e47ddb3aa4d6223e","title":"VFS Abstraction","order":0},{"id":"seed_034997306ba8b6e596c79f95e627c037","title":"Common Interface","order":1},{"id":"seed_5b37127bf6a1469c22e8e4fff7f274fc","title":"File System Mounting","order":2},{"id":"seed_789148bff6037f6964b158a32096fb66","title":"VFS Objects","order":3},{"id":"seed_d8a0e3ffc1d5b60f366d5f37f15981cd","title":"File System Registration","order":4}]},{"id":"seed_74f91fafd54bf70e7300885294996f74","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Buffer Cache","order":1,"contentType":"LEARNING","contentSlug":"buffer-cache","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_47aada0db91121c53dd39e8348ef5929","title":"Block Cache","order":0},{"id":"seed_e7d70e9e80a715722b2d9389cd078103","title":"Cache Management","order":1},{"id":"seed_c02565c91e84f6aef6a6af40d50a32ff","title":"Write-Back Policy","order":2},{"id":"seed_82919fd374d27feeb050eee2f4638e96","title":"Cache Consistency","order":3},{"id":"seed_6a5a3545706fae8de2c8fbcf525b0b71","title":"Sync Operations","order":4}]},{"id":"seed_f97fa5a7bb9ec68b4c5c378519c9947e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Read-Ahead: Anticipatory Data Loading","order":2,"contentType":"LEARNING","contentSlug":"read-ahead","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_30cb8c2fb15e78647dfd893b0eaadbc7","title":"Prefetching: The Art of Anticipatory Data Loading","order":0},{"id":"seed_bca4b7da084b742a8a6ec9d1b378cb97","title":"Sequential Detection: Recognizing Access Patterns","order":1},{"id":"seed_52b464e5e3f9fcfe15b3c58b46f68ed9","title":"Read-Ahead Window: The Sliding Window Mechanism","order":2},{"id":"seed_74b41fbbd28241488366e671cb69f14f","title":"Adaptive Read-Ahead: Dynamic Prefetching Optimization","order":3},{"id":"seed_165590bfd893d222d612d1cc2677974f","title":"Performance Gains: Measuring and Maximizing Read-Ahead Impact","order":4}]},{"id":"seed_4ff36a28802b87f8d1b0110f896e90f7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Write Strategies","order":3,"contentType":"LEARNING","contentSlug":"write-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b4443f63d23e42c0ebcaa1d116a50cf4","title":"Write-Through Strategy","order":0},{"id":"seed_86a76bcb1b4b757a036214dc1ba22bf8","title":"Write-Back Strategy","order":1},{"id":"seed_5bd7443e34e4639c40ea98b8d04ebd4c","title":"Delayed Write Strategy","order":2},{"id":"seed_b1b41abbc9ee6f2b67a3bc0e6cfa34db","title":"Ordered Writes Strategy","order":3},{"id":"seed_4619c58e799d0a3c8f3e7ba98127fc86","title":"Data Integrity","order":4}]},{"id":"seed_de3bf4f804174e8bf94545b9ade710fc","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"File System Journaling","order":4,"contentType":"LEARNING","contentSlug":"journaling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_650a41102119468e9a392027f78964aa","title":"Journaling Concept","order":0},{"id":"seed_a377d1bdb81f3188965e4f49ee5b8bad","title":"Write-Ahead Logging","order":1},{"id":"seed_aac6dd80a2f7edcf21ac63756357fdfd","title":"Metadata Journaling","order":2},{"id":"seed_257230e4c24972a8dabc671f04be064b","title":"Full Journaling","order":3},{"id":"seed_59f26c9bb2714e0b942d34379c8758bf","title":"Journal Replay","order":4}]},{"id":"seed_df49786f6ab3859c097bc8a5986ea705","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Log-Structured File Systems","order":5,"contentType":"LEARNING","contentSlug":"log-structured-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1b5a15957c6399b9d4b78f0cda654c02","title":"LFS Concept: The Log-Structured Revolution","order":0},{"id":"seed_4d8d73884464ad056a03a06c76175c1f","title":"Sequential Writes: Maximizing Disk Bandwidth","order":1},{"id":"seed_7c79555640ecd59223c6823158527cf7","title":"Garbage Collection: Reclaiming Dead Space","order":2},{"id":"seed_3be65f19e15bedbf09c40eb1ae8bc472","title":"Cleaning: Advanced Segment Reclamation Strategies","order":3},{"id":"seed_5bc5a407e25cfe0979f71838d31affe8","title":"SSD Optimization: Log-Structured Storage for Flash","order":4}]},{"id":"seed_5b79405957967bc1319d5dc5002a30b7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 28: File System Performance","sectionOrder":34,"title":"Defragmentation","order":6,"contentType":"LEARNING","contentSlug":"defragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_60fad31d0b0c594efeb4241a2543a0bb","title":"Fragmentation Causes","order":0},{"id":"seed_c4c23d1606bc1065b2035e8cabb05b46","title":"Defragmentation Process","order":1},{"id":"seed_3793f5a8a4ce393cbb0724b542a40512","title":"Online vs Offline Defragmentation","order":2},{"id":"seed_c7cdd0a4da393409a5f6e9df26892864","title":"SSD Considerations","order":3},{"id":"seed_159414da3661ed8747927ff8c9021dfd","title":"File System Specific Defragmentation","order":4}]},{"id":"seed_0783892a9efc4847e680aefa1eb1dbd9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Copy-on-Write File Systems","order":1,"contentType":"LEARNING","contentSlug":"copy-on-write-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8073c03d8888efcc5dc6340d9433a21e","title":"Copy-on-Write Concept","order":0},{"id":"seed_50a1f27024fc2e3aa314e5de508d0d81","title":"Snapshots","order":1},{"id":"seed_783769d2fc04968e40a0b8b4b3479c5e","title":"Data Integrity","order":2},{"id":"seed_8bd5e78d91f2b4c066edefcbb7c6e5d9","title":"btrfs and ZFS","order":3},{"id":"seed_195e5cf6e1effac27d38657013517dff","title":"Performance Tradeoffs","order":4}]},{"id":"seed_669094127e382a299679705ee6352f80","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"ZFS: The Zettabyte File System","order":2,"contentType":"LEARNING","contentSlug":"zfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1d3acc708b9be63e176755335ec24461","title":"The Zettabyte File System: A Revolution in Storage Architecture","order":0},{"id":"seed_e78ada358233a330f0e8ded12da0e3d5","title":"Storage Pools: Pooled Storage Architecture","order":1},{"id":"seed_c26d17b0be2ba7b8002280e5f1c695af","title":"Checksums: End-to-End Data Integrity","order":2},{"id":"seed_e5caa54a00f243242355330f37947168","title":"RAID-Z: Software RAID Without the Write Hole","order":3},{"id":"seed_283b736c7089f19c64845c2f66e88d3f","title":"Snapshots and Clones: Point-in-Time Data Management","order":4}]},{"id":"seed_e94b6844ed3f8d3875703200ba21c67b","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Btrfs: The B-tree File System","order":3,"contentType":"LEARNING","contentSlug":"btrfs","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_4aecf0eee0208f9b6fdca82632b1eae9","title":"B-tree File System","order":0},{"id":"seed_473db3865f0a5408dec6b801429a1612","title":"Linux Native COW","order":1},{"id":"seed_3d3bf37edd8928aa798116e87dc9d3f9","title":"Subvolumes","order":2},{"id":"seed_0e9c440d9dd7ff25d32cec916b35baed","title":"Snapshots","order":3},{"id":"seed_e84e5dff1368f35dd3b822eecad466b2","title":"Data Scrubbing","order":4}]},{"id":"seed_ecaafe317263daf4d330ff6223034212","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Network File Systems","order":4,"contentType":"LEARNING","contentSlug":"network-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a0a11b395118841e045b1464e2f1a142","title":"NFS Overview","order":0},{"id":"seed_71e2cd5a01a51dd791a6a8e17ed9173c","title":"NFS Architecture","order":1},{"id":"seed_b013723c246b7439b8ad03d426ae70ce","title":"Stateless Protocol","order":2},{"id":"seed_bc9cd9d2a50ccf8160bc4f9556fbc757","title":"NFS Versions","order":3},{"id":"seed_910f295011979934410fb6a15d1a5695","title":"Performance Considerations","order":4}]},{"id":"seed_348639a90a49d0f3cc73af6949019912","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Distributed File Systems","order":5,"contentType":"LEARNING","contentSlug":"os-advanced-file-systems-distributed-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_870b69ab83a45d43c8184e52c660adb5","title":"Hadoop Distributed File System (HDFS)","order":0},{"id":"seed_15a5fd03c5a63a1ec1e8401d5db11839","title":"Google File System (GFS) Concepts","order":1},{"id":"seed_e3929b1326c4b6a0f2a184686bf8496a","title":"Data Replication Strategies","order":2},{"id":"seed_515a461bcbeff584339ea97a57f6b99e","title":"Consistency Challenges in Distributed Systems","order":3},{"id":"seed_21419f4e1587b0b5d36d65fb71bd83ec","title":"Cloud Storage Systems","order":4}]},{"id":"seed_90c8994cdf03311d15aa405ac087cccb","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 29: Advanced File Systems","sectionOrder":35,"title":"Special File Systems","order":6,"contentType":"LEARNING","contentSlug":"special-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_40dd5ffdf7364a34ff2501f06bcd1f13","title":"The /proc File System","order":0},{"id":"seed_9f605d9bc9d9b8646df96feb23045b05","title":"The /sys File System","order":1},{"id":"seed_75017c7ce12975bfd69e5fa37805743e","title":"tmpfs - Memory-Based File System","order":2},{"id":"seed_16a23e24c796f9c5753683b60d99b363","title":"devtmpfs - Dynamic Device File System","order":3},{"id":"seed_d8b0163ab30dc086d65c5a2ee3d80fa3","title":"FUSE - Filesystem in Userspace","order":4}]},{"id":"seed_52cf25b095195030c7b7a9eebbc7dc12","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Understanding I/O Device Types","order":1,"contentType":"LEARNING","contentSlug":"io-device-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_bd1fd70d243c49d3f697c0df295e3064","title":"Block Devices","order":0},{"id":"seed_5a7b6c4c42c3d563de4661e01e9bc082","title":"Character Devices","order":1},{"id":"seed_a5dd397571a8ae7976394d8a07a88661","title":"Network Devices","order":2},{"id":"seed_2b80af9914d710188906313aa8c12196","title":"Device Characteristics","order":3},{"id":"seed_af0c5475d3722804f9b98b4f32969039","title":"Device Communication","order":4}]},{"id":"seed_b4ba4edb77f767cdae8aa4c601d9a0c6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"I/O Controllers","order":2,"contentType":"LEARNING","contentSlug":"io-controllers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_413fd2c3125c7dcaf7d1ada88b855d93","title":"Device Controller","order":0},{"id":"seed_4156519227c6523a9c2e2af09944247f","title":"Controller Registers","order":1},{"id":"seed_9a4430a77589241a384781d3ca198243","title":"Data Buffers","order":2},{"id":"seed_892355652083789972b143515cda3f5c","title":"Controller Interface","order":3},{"id":"seed_1fad002d3fb34df506273adb659cab0c","title":"Standardization","order":4}]},{"id":"seed_e6fca3745885ef9f31d6630257b669e6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Memory-Mapped I/O","order":3,"contentType":"LEARNING","contentSlug":"memory-mapped-io","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e06f367ab5abc393995cbdeebe23e7f9","title":"Port-Mapped I/O","order":0},{"id":"seed_6cba5aae5b5e0c0ab6173afa4a62e843","title":"Memory-Mapped I/O","order":1},{"id":"seed_6aa7029a53f95ca41973b680e6bd71fa","title":"Address Space Usage","order":2},{"id":"seed_ded80e8a1597727179744850d5cb7a1d","title":"Comparison","order":3},{"id":"seed_2bf8fc8b4c9ab95fcedb56118e30e387","title":"Hardware Support","order":4}]},{"id":"seed_de8da1a4808b50d35a225192f8911286","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Interrupts: Hardware-Level I/O Signaling","order":4,"contentType":"LEARNING","contentSlug":"interrupts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_06e3353e31bff1bc053a2847e92e921e","title":"Interrupt-Driven I/O","order":0},{"id":"seed_6e715457fda82197ec56464b9c6104c4","title":"Interrupt Handling","order":1},{"id":"seed_18b47fe9285bf6bc9fdf17245c8c214c","title":"Interrupt Vector Table","order":2},{"id":"seed_efaf4a7a16172ad6754ff89546f073f6","title":"Interrupt Priority","order":3},{"id":"seed_5d7a36453de0a2d01fe9b24be0226bc1","title":"Interrupt Acknowledgment","order":4}]},{"id":"seed_935f708c695ec34c1ffdef3b375abb42","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"Direct Memory Access (DMA)","order":5,"contentType":"LEARNING","contentSlug":"dma","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d1f85bf170050c89d3d62810ede8c616","title":"Direct Memory Access Concept","order":0},{"id":"seed_d4095a0ae2eccbde694c977174e5e00d","title":"DMA Controller","order":1},{"id":"seed_11d8bea1da04a1dacb02ffe3e02a4538","title":"DMA Transfer Process","order":2},{"id":"seed_a525249883914afe1f61dc1d3ef0b2ec","title":"Cycle Stealing","order":3},{"id":"seed_dbcb67efd571a3f956c2f8b5f683e63c","title":"Bus Mastering","order":4}]},{"id":"seed_9e17272b0a078d2317c5b2f754dd8dc8","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 30: Io Hardware","sectionOrder":36,"title":"I/O Hardware Performance","order":6,"contentType":"LEARNING","contentSlug":"io-hardware-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d2a9f774da5cf5fa4e9e98342763a2cb","title":"I/O Throughput","order":0},{"id":"seed_5b858572900dfcd43f8da7dd1a020d36","title":"Latency Considerations","order":1},{"id":"seed_0867a47c6d30dbc671de6436a672cde8","title":"Bandwidth Utilization","order":2},{"id":"seed_0e1899810857f4a56de380c91a65f155","title":"Hardware Bottlenecks","order":3},{"id":"seed_26013a47eb27a187f1b9aa27620abd51","title":"Performance Optimization","order":4}]},{"id":"seed_8744fb5632c645a7b4c14d07cb8adba2","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"I/O Software Layers","order":1,"contentType":"LEARNING","contentSlug":"io-software-layers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8f4b56fa87bf08818481b457c1128dbd","title":"User-Level I/O","order":0},{"id":"seed_7ab653e6f50c115a4760b11b54d52afe","title":"Device-Independent Software","order":1},{"id":"seed_a056a5f1bd22d7792be0d86c01504ced","title":"Device Drivers","order":2},{"id":"seed_6108fc01daab26d00fc6f24f3ac29444","title":"Interrupt Handlers","order":3},{"id":"seed_b4778643aec5918933c29eb3dabd4067","title":"Hardware Layer","order":4}]},{"id":"seed_2d816fe215216599e611129eb97a2765","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Device Drivers","order":2,"contentType":"LEARNING","contentSlug":"device-drivers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d883ce0df9292fea49dda56adda04f05","title":"Driver Architecture","order":0},{"id":"seed_c5b2e93612dbfa5e8659a0fbeba60058","title":"Driver Interface","order":1},{"id":"seed_f4b6205b3db4ef6e804fe625724faaae","title":"Driver Development","order":2},{"id":"seed_99bc95bb8ef58dc3d3d31377969ed6cc","title":"Driver Loading","order":3},{"id":"seed_010017edcea4b262abf10ac9a694b159","title":"Driver Bugs","order":4}]},{"id":"seed_1b4b2075cf9f19f78d4f153fd76f37a9","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Blocking and Non-Blocking I/O","order":3,"contentType":"LEARNING","contentSlug":"blocking-non-blocking-io","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5cd264eb2ff7652a2d2ec34a7cab6d29","title":"Blocking I/O","order":0},{"id":"seed_9e28a412a34e364af21142d615890555","title":"Non-Blocking I/O","order":1},{"id":"seed_0124ed3d2acbf4e63b78d2a788dff26f","title":"Asynchronous I/O","order":2},{"id":"seed_097f6895a654bb4d58e051fc942727cb","title":"I/O Multiplexing","order":3},{"id":"seed_89528a4332be47120afff60c961fd221","title":"select/poll/epoll","order":4}]},{"id":"seed_d7a542eee0ffd939883207e8cd036788","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"I/O Buffering Strategies","order":4,"contentType":"LEARNING","contentSlug":"buffering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d025147a6a0b5e43cb844e6df86e1d35","title":"Single Buffering","order":0},{"id":"seed_bd23e3480f798f4d1d38817bb8501d4d","title":"Double Buffering","order":1},{"id":"seed_02c4ca8b80c52d2062c4eeaf6c082341","title":"Circular Buffering","order":2},{"id":"seed_832224adefd8fc4ec1625da272a754b3","title":"Buffer Management","order":3},{"id":"seed_6e33d424be7f36edfa145ccf40cb2241","title":"Zero-Copy Techniques","order":4}]},{"id":"seed_50e647b54466c570bd30a2e31e046629","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Caching","order":5,"contentType":"LEARNING","contentSlug":"io-software-caching","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b075541d959ca383100c9c9c6e2338ad","title":"I/O Caching","order":0},{"id":"seed_201c0aa15e2162b80250e23ad4be5b84","title":"Write Caching","order":1},{"id":"seed_a6d99740c2e82800cfe72fd3b7f9119e","title":"Cache Policies","order":2},{"id":"seed_283b54dac8a67ff52adec7247b4ec028","title":"Cache Coherence","order":3},{"id":"seed_407f5a8727f725802a36c67d90bffbef","title":"Cache Effectiveness","order":4}]},{"id":"seed_d9dcdc2a6a17bbd82aa46697c8c541d4","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 31: Io Software","sectionOrder":37,"title":"Spooling: Simultaneous Peripheral Operations Online","order":6,"contentType":"LEARNING","contentSlug":"spooling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_3db9d06caa808227f9792c85acd64412","title":"Spooling Concept: Simultaneous Peripheral Operations Online","order":0},{"id":"seed_8bf433b85078fc3eaed57dca7390d43e","title":"Print Spooler: Architecture and Implementation","order":1},{"id":"seed_0d3cf5ef591f525174ccaafd537a9fd5","title":"Spool Directories: Persistent Queue Storage","order":2},{"id":"seed_fc6aa77e11062091466394f5ce794010","title":"Daemon Processes: Background Service Architecture","order":3},{"id":"seed_592d7039141aae8eb6e309e513beb5a0","title":"Job Scheduling: Queue Management and Optimization","order":4}]},{"id":"seed_ea683bf5bc780d22be5ea3a6b6a2df8f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Disk Structure","order":1,"contentType":"LEARNING","contentSlug":"os-disk-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_64065fb40b3efd94bfef66d1967c0caa","title":"Platters and Surfaces","order":0},{"id":"seed_47be537fcad61443927be8792271b624","title":"Tracks and Sectors","order":1},{"id":"seed_0688e16632e12dfc8faeb9b13c014d3d","title":"Cylinders","order":2},{"id":"seed_d6b0e9f2da008554d38efd26c658fb8b","title":"Disk Addressing (CHS, LBA)","order":3},{"id":"seed_45e21cc449e56c37d4546827d89711a1","title":"Disk Geometry","order":4}]},{"id":"seed_b792d831b502998a10262be656af61fd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Disk Scheduling Algorithms","order":2,"contentType":"LEARNING","contentSlug":"disk-scheduling-algorithms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_9e3ca7625f016076d3af5b6db7090cd9","title":"FCFS Scheduling","order":0},{"id":"seed_3a05dcd1c4cbb10ce609677984f12fd2","title":"SSTF (Shortest Seek Time First)","order":1},{"id":"seed_27882f6c8d2bbbed326c4116e1bb1124","title":"SCAN (Elevator Algorithm)","order":2},{"id":"seed_f07c7bc30cee2e9d4918da87bfc1d1ed","title":"C-SCAN (Circular SCAN)","order":3},{"id":"seed_f83afa0f002cdb88757a554e5eef6daf","title":"LOOK and C-LOOK","order":4}]},{"id":"seed_1d27a139166d008bcbb33a28e9e0a7d3","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"RAID: Redundant Array of Independent Disks","order":3,"contentType":"LEARNING","contentSlug":"raid","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7c52cc3263fdec4c079e2611513cc9eb","title":"RAID Levels (0, 1, 5, 6, 10)","order":0},{"id":"seed_e68ab6461bddcfc3e72d1c86865c64c2","title":"Striping and Mirroring","order":1},{"id":"seed_01fca86125889982794ab85fdb648bf3","title":"Parity","order":2},{"id":"seed_05e1c4087e8f092eae79765e8be07fd1","title":"RAID Performance","order":3},{"id":"seed_a187fb850ffe7ea05706c14031876fc5","title":"RAID Reliability","order":4}]},{"id":"seed_50536e42456716a82a654117fa00d666","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"SSD Internals: Understanding Solid-State Storage","order":4,"contentType":"LEARNING","contentSlug":"ssd-internals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_c3c7ef51e5e134b9f9e0aa3ceb126cac","title":"Flash Memory Types","order":0},{"id":"seed_44dbce173febd7aa2a54d5188d2b87b2","title":"SSD Architecture","order":1},{"id":"seed_05e699d030ef2fae5be798850af39c1f","title":"Wear Leveling","order":2},{"id":"seed_3231f296656d1ccd722249b1bd3a627d","title":"Garbage Collection","order":3},{"id":"seed_a1ff2826313eb8f4889670620835af2a","title":"TRIM Command","order":4}]},{"id":"seed_d82e020b33a77e7dcc16816323dbfb06","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"NVMe: Non-Volatile Memory Express","order":5,"contentType":"LEARNING","contentSlug":"nvme","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_b854d327f102e1e9b354a6decff2b407","title":"NVMe Protocol","order":0},{"id":"seed_11e46c0e0db053c9233b319a2b5580af","title":"PCIe Interface","order":1},{"id":"seed_cded1504f117a3026e95942fff46a4a0","title":"Command Queues","order":2},{"id":"seed_124c17886e6df1175120c7dcd3e0bb57","title":"Performance Benefits","order":3},{"id":"seed_2174bfa9c5d1b737ff2378ccb9defb10","title":"NVMe vs SATA","order":4}]},{"id":"seed_5ff63fd794b2aa434ca1c0b353d62500","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 32: Storage Management","sectionOrder":38,"title":"Storage Virtualization","order":6,"contentType":"LEARNING","contentSlug":"storage-virtualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_66491b82f3973484d64d0a2b213b1491","title":"Logical Volume Manager (LVM)","order":0},{"id":"seed_c0881e4fd48af4e0ae18c34cd0a41826","title":"Volume Groups","order":1},{"id":"seed_f54053badd6f6ec964ec60a190b780ff","title":"Logical Volumes","order":2},{"id":"seed_39c5e69151687193b0fc8ab32eb62f47","title":"Snapshots","order":3},{"id":"seed_8633954259c66338d6e21e0dc77b60fe","title":"Thin Provisioning","order":4}]},{"id":"seed_8038fe2525f524bce7b4f4a2ab588680","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Protection Goals","order":1,"contentType":"LEARNING","contentSlug":"protection-goals","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_53dbb4d9b2c138ff9b4f356ff8a50d79","title":"Confidentiality","order":0},{"id":"seed_68c3afe6446b4ec27e0f026c7ad13a82","title":"Integrity","order":1},{"id":"seed_f8982002b796a2a5a09063fe7b75ae0f","title":"Availability","order":2},{"id":"seed_5ef8c87d9c45b3d9b0f37e9dae834d80","title":"Authentication","order":3},{"id":"seed_154f89daf5e62454ebeb897cca3f71a5","title":"Authorization","order":4}]},{"id":"seed_57d09e513d060d1b3ad6bbddc88532a7","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Protection Domains","order":2,"contentType":"LEARNING","contentSlug":"protection-domains","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5c753b35203cc114ab0a69f576b6c06d","title":"Domain Concept","order":0},{"id":"seed_1e0989f7ac89baf7905d4390e641c17d","title":"Domain Switching","order":1},{"id":"seed_d09ae58acde922c1e826feab5f294cde","title":"Protection Rings","order":2},{"id":"seed_9d16318db0f83a901e8af42ee6c95f35","title":"Least Privilege","order":3},{"id":"seed_9f4c7c758f7b46159fa0bea60d77d6c1","title":"Domain Implementation","order":4}]},{"id":"seed_4c9a659dab4610c51609c717f5360107","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Access Matrix: The Foundation of Access Control","order":3,"contentType":"LEARNING","contentSlug":"access-matrix","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0f6032e729f70ed3db070092b4271fc2","title":"Access Matrix Model","order":0},{"id":"seed_93578a1a26d9e3172c1dcda27a0e072b","title":"Subjects and Objects","order":1},{"id":"seed_143ec90afd6b4e7f8b822881abbfa674","title":"Access Rights","order":2},{"id":"seed_eaa55c3ac804bc857f58360927f52b76","title":"Matrix Implementation","order":3},{"id":"seed_9b6db51d303fa6d654e096b6ae63ee97","title":"Size Considerations","order":4}]},{"id":"seed_2d052e562006a3a7735c7a2731f4776e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Access Control Lists","order":4,"contentType":"LEARNING","contentSlug":"access-control-lists","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ed63777e33a03d3a0d1a25f3182fe2e6","title":"ACL Concept","order":0},{"id":"seed_bad467d98acad3e7ad47fba0fc87ee3d","title":"ACL Entries","order":1},{"id":"seed_388db2e812549a0eef2437b2ced3940f","title":"Default Permissions","order":2},{"id":"seed_02d392ab1e9abf6dc0e4f373cbe6a1a1","title":"ACL Inheritance","order":3},{"id":"seed_33cc0160dbca42ea293ad42028cd83ae","title":"ACL Performance","order":4}]},{"id":"seed_d95afefaba73cc8166ed7c4fc0621d55","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Capabilities","order":5,"contentType":"LEARNING","contentSlug":"capabilities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_db119d669d400e9255546348691da4e1","title":"Capability Concept","order":0},{"id":"seed_bff77ac3e95813fc084ddca39a7f508b","title":"Capability Lists","order":1},{"id":"seed_ba442d0c1267b8a9fe896599c519a505","title":"Capability Delegation","order":2},{"id":"seed_b69e2531659c40d4bcea345e8f615c8d","title":"Capability Revocation","order":3},{"id":"seed_be772922fe2650741718c25dc22319c0","title":"Capabilities vs ACLs","order":4}]},{"id":"seed_e5aacf65753fcef0f1e2de0ff83eeb8c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 33: Protection Mechanisms","sectionOrder":39,"title":"Sandboxing","order":6,"contentType":"LEARNING","contentSlug":"sandboxing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5dc6fd524592866721ca26c4035bb901","title":"Sandbox Concept","order":0},{"id":"seed_80c7924e50a85f2b33cddfbd6ecb981e","title":"Process Sandboxing","order":1},{"id":"seed_1f4b1906bc96352febf37f476dda3e32","title":"System Call Filtering","order":2},{"id":"seed_ad557cca57505df4f2ac73f1a7b42b3a","title":"seccomp","order":3},{"id":"seed_337d9eb899e7a50382d038405f9f8b7e","title":"Container Isolation","order":4}]},{"id":"seed_661f04c10476a36ba0b1dc15089d8af6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Security Threats","order":1,"contentType":"LEARNING","contentSlug":"security-threats","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_88eb3151c62f952ba58ddec33091de9a","title":"Threat Categories","order":0},{"id":"seed_f48619d52d2c64e22a11d5cd6d5feb59","title":"Malware Types","order":1},{"id":"seed_91822ce2750120568560355ba457e612","title":"Attack Vectors","order":2},{"id":"seed_b9f7d90dbfc495dbcb66b5ea03ea7a22","title":"Threat Modeling","order":3},{"id":"seed_c2389d161cd6a276f41922f52abbb573","title":"Risk Assessment","order":4}]},{"id":"seed_c0ced91be0f6156afc67e942bb07a1e6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Authentication","order":2,"contentType":"LEARNING","contentSlug":"os-authentication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_604d70f9d3b3f2a37b5dff78c6d2aa3e","title":"Password Authentication","order":0},{"id":"seed_cb7f3e37c5b446aab5e0f024cf277017","title":"Multi-Factor Authentication","order":1},{"id":"seed_332ab3b9700a09d422357f8846393731","title":"Biometrics","order":2},{"id":"seed_aacdf017a55abc0367fe415ccab59c62","title":"Authentication Protocols","order":3},{"id":"seed_aac303edb518adcdb9b807b9b97b29da","title":"Password Storage","order":4}]},{"id":"seed_b55aa2d35564316630cec01ae1473791","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Authorization: Controlling Access to System Resources","order":3,"contentType":"LEARNING","contentSlug":"authorization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_cd5534f3fe70dd822cc13ea230052f81","title":"Authorization Models","order":0},{"id":"seed_b65132bd9ecab3591b28880cff91e9f4","title":"Role-Based Access Control (RBAC)","order":1},{"id":"seed_87cf81c13d9a7438935c457ebdd9154d","title":"Mandatory Access Control (MAC)","order":2},{"id":"seed_46a4873081e570c25d4b7cda8ee00086","title":"Discretionary Access Control (DAC)","order":3},{"id":"seed_e76ccf197138b66b0592dba3f783cac8","title":"Attribute-Based Access Control (ABAC)","order":4}]},{"id":"seed_7d982ddbf20076ad51ffe2947767fe14","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Cryptography Basics","order":4,"contentType":"LEARNING","contentSlug":"cryptography-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_cf83cd47c66060846c9491fecc1e39c5","title":"Symmetric Encryption","order":0},{"id":"seed_8e390f1aec514b1567be6a9e3aff9ccb","title":"Asymmetric Encryption","order":1},{"id":"seed_b2777d02087e71bd1375691db56a14c2","title":"Hash Functions","order":2},{"id":"seed_735cefe0d44b68679fb60046355de910","title":"Digital Signatures","order":3},{"id":"seed_8067867a5f2b3060da323e148d918b47","title":"Key Management","order":4}]},{"id":"seed_166a436e93afef09445829f03c244683","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Secure Communication","order":5,"contentType":"LEARNING","contentSlug":"secure-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ca98cc0ce14335e58e73e39d800fea33","title":"TLS/SSL","order":0},{"id":"seed_25578136fbb2043a292da3da79a2597a","title":"Secure Channels","order":1},{"id":"seed_3603361fbf8e3067bdb5ed77ce500298","title":"Certificate Authorities","order":2},{"id":"seed_d7f62783ce777988974f0157daeba4a9","title":"Key Exchange","order":3},{"id":"seed_31dd564d7ecf3bb1637723aa5b6589fd","title":"Perfect Forward Secrecy","order":4}]},{"id":"seed_e85c81bbb33e0b8b7c0ee57efadc6eda","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 34: Security Fundamentals","sectionOrder":40,"title":"Auditing and Logging","order":6,"contentType":"LEARNING","contentSlug":"auditing-and-logging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_455ad52eb07b799c386afbb590e8c494","title":"Audit Trails","order":0},{"id":"seed_3a17ef13c65fe7a44ea19cca12f0e794","title":"Log Management","order":1},{"id":"seed_a60eb990a60d25e854e5dee84183b024","title":"Intrusion Detection","order":2},{"id":"seed_20a19e5585d7a7aab324cbef1ca44078","title":"Log Analysis","order":3},{"id":"seed_1a17150b7991123d9f4d3c61ccb0ed7c","title":"Compliance","order":4}]},{"id":"seed_a09ed2e8a0d6ff26dbc713556ceaa501","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Buffer Overflow Attacks","order":1,"contentType":"LEARNING","contentSlug":"buffer-overflow-attacks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_cc66421854a77f44e9ef8968df1bf478","title":"Buffer Overflow Concept","order":0},{"id":"seed_a892c5f3296aa7462a6c7eb9dcc724ec","title":"Stack Smashing","order":1},{"id":"seed_9bccd3a1c88e1fb58c6949793f2921fc","title":"Code Injection","order":2},{"id":"seed_5f948f2e53c877ca788a1c4aaa264dfe","title":"Return-Oriented Programming","order":3},{"id":"seed_b913e16e38f41653d8b954bbbe54250d","title":"Prevention Techniques","order":4}]},{"id":"seed_88490dee40ff1c17bc1d7cc7a5fc2737","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Defense Mechanisms","order":2,"contentType":"LEARNING","contentSlug":"defense-mechanisms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_a44b34a3162e27c2ea4cd1c67160a81e","title":"Stack Canaries","order":0},{"id":"seed_2670b0201deb82ebd1ed504c5043dedb","title":"ASLR (Address Space Layout Randomization)","order":1},{"id":"seed_561a81c53b659c56db70c1c90e2af426","title":"DEP (Data Execution Prevention)","order":2},{"id":"seed_58fff62ffc57b7627aafe727afcf3fd6","title":"Stack Protection","order":3},{"id":"seed_a28687fd8ddf12dee3832f86a9bb942f","title":"Compiler Protections","order":4}]},{"id":"seed_3c885ca5f084f5a46db11b2f4904505c","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"SELinux: Security-Enhanced Linux","order":3,"contentType":"LEARNING","contentSlug":"selinux","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_987a2577746d64273a59ef3092178123","title":"Mandatory Access Control","order":0},{"id":"seed_f068f247ac951dd577f440356d3434d0","title":"SELinux Policies","order":1},{"id":"seed_a9ae5230f47ece334222b727bd91224d","title":"Contexts and Labels","order":2},{"id":"seed_cf7a85a2e15a1613af6721fbcb74ca56","title":"Type Enforcement","order":3},{"id":"seed_e225f26d60a8e1ec4d780f3671c546e5","title":"Policy Management","order":4}]},{"id":"seed_53f8367ac99085d8b9f1636f6e40e250","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Secure Boot: Establishing Trust from Power-On","order":4,"contentType":"LEARNING","contentSlug":"secure-boot","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1a585e0df10402a824ebebe36fe1858f","title":"Trusted Boot Process","order":0},{"id":"seed_4967ba55eaa9712e4aaccc35705784e8","title":"UEFI Secure Boot","order":1},{"id":"seed_96cac61bd6cb74d33d91eabbb1367ecd","title":"Boot Chain Verification","order":2},{"id":"seed_c430876fe70ace33cb4c46a68dbbaed2","title":"TPM (Trusted Platform Module)","order":3},{"id":"seed_3ba1953dfb1ea9e84d6c3890f1d47136","title":"Measured Boot","order":4}]},{"id":"seed_2fd02ecee39dc208c34829e2cc433bf1","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Hardware Security Vulnerabilities","order":5,"contentType":"LEARNING","contentSlug":"hardware-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8e3a61235e6fdb2fae2fa86bb4c0b184","title":"Spectre Vulnerability","order":0},{"id":"seed_e7baa3f31269db72017deb0b2076e494","title":"Meltdown Vulnerability","order":1},{"id":"seed_378c768ba5ad1b94dd7586542d2e3c35","title":"Side-Channel Attacks","order":2},{"id":"seed_da47988253cc15018eeb8cc2f691c6bc","title":"Hardware Mitigations","order":3},{"id":"seed_2c702787a2b42eb33409b94dc52c6418","title":"Security Updates","order":4}]},{"id":"seed_ebd27878fc4e4cb03d9f14ded9fafa8e","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 35: Security In Practice","sectionOrder":41,"title":"Security Best Practices","order":6,"contentType":"LEARNING","contentSlug":"security-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ad07a459e6a7512bc0092fe8cde258dc","title":"Principle of Least Privilege","order":0},{"id":"seed_f59c38ff5dca4cb6d0cb000138264a10","title":"Defense in Depth","order":1},{"id":"seed_98e2caacda2607286a3efe8b10ba7584","title":"Security Updates","order":2},{"id":"seed_ceef2753c7a1837d70f78d097acfdb4a","title":"Vulnerability Management","order":3},{"id":"seed_629c8ae2b99ba8096f155b47d2dc061a","title":"Security Hardening","order":4}]},{"id":"seed_47e2f9add150afb6f6a6573256e2c78d","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Virtualization Concepts","order":1,"contentType":"LEARNING","contentSlug":"virtualization-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_82000ebfce846ca0a779f361dd9c9f2f","title":"Virtual Machine Definition","order":0},{"id":"seed_cab0ef7ab267151300c241950d585447","title":"Host and Guest","order":1},{"id":"seed_ebac59ebf13552444ccc721994285704","title":"Virtualization Benefits","order":2},{"id":"seed_e0218a1741f0b53602dda2a5d9827136","title":"Virtualization Overhead","order":3},{"id":"seed_4ad7ed9898aa86ba1d66b68a96aaef72","title":"Use Cases","order":4}]},{"id":"seed_2968c0434f11eeb6c77f487eba6bb291","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Hypervisor Types: Architecture and Implementation","order":2,"contentType":"LEARNING","contentSlug":"hypervisor-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e977923e4a0aae25a7b329cda8a09f8b","title":"Type 1 Hypervisors (Bare Metal)","order":0},{"id":"seed_7bec8e50b4e54ccd0a35697fac59ca2e","title":"Type 2 Hypervisors (Hosted)","order":1},{"id":"seed_a57637afbd0ff9910be47c5108035603","title":"Hypervisor Comparison","order":2},{"id":"seed_954de709f04f223b50fc893018f4bebe","title":"Hypervisor Examples: Xen, KVM, VMware","order":3},{"id":"seed_a1db83e31d0d788a0a3382fd04e2aebd","title":"Hypervisor Security","order":4}]},{"id":"seed_9b32a7d354aba80297085f1317152615","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Hardware Virtualization Support","order":3,"contentType":"LEARNING","contentSlug":"hardware-virtualization-support","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_2feffa5ed509e1b024f6876deb8de9c6","title":"Intel VT-x","order":0},{"id":"seed_7769445f17751518e7fbeba180bf6192","title":"AMD-V","order":1},{"id":"seed_5ba09fbcbe0efb095d5387f85d4e8895","title":"Extended Page Tables","order":2},{"id":"seed_ab6cacabaa21ff2954f8545e83a112e7","title":"I/O Virtualization (VT-d)","order":3},{"id":"seed_1d7d090f4c305fcf7e186a569c96be9f","title":"Performance Acceleration","order":4}]},{"id":"seed_ae57234d6ead69d3f5f3d05a27b6571a","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Paravirtualization","order":4,"contentType":"LEARNING","contentSlug":"paravirtualization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_07f3df4f36abeda2ae9a241a93c93f2c","title":"Paravirtualization Concept","order":0},{"id":"seed_bc847adc378f5b58ff358f5d38a7e1e8","title":"Guest Modification","order":1},{"id":"seed_9bfdd9234013967efb672bbb67e07b36","title":"Hypercalls","order":2},{"id":"seed_b6aff62b21b9450574b9cd2bbc7d77a7","title":"Performance Benefits","order":3},{"id":"seed_024ff174d375d1148a6a1e2fffc9050b","title":"Xen Paravirtualization","order":4}]},{"id":"seed_266acd941f8f2406cd8a88df011fc9f5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Containers","order":5,"contentType":"LEARNING","contentSlug":"containers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_d2b34717089746bbbdb0e67a67cdea7f","title":"Container Concept","order":0},{"id":"seed_afce0bbd9cac20e094f2514ccd1a7bcb","title":"Containers vs Virtual Machines","order":1},{"id":"seed_1f45c065a5c5022c55016c1ffd672d79","title":"Docker Architecture","order":2},{"id":"seed_969c74c2ae654f285bd426187b1d3dc9","title":"Container Images","order":3},{"id":"seed_b025defbc6bf45b2a951c4462a9c53a9","title":"Container Orchestration","order":4}]},{"id":"seed_f3e720331ca608163176e6e083d6d993","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 36: Virtualization","sectionOrder":42,"title":"Linux Namespaces and Control Groups","order":6,"contentType":"LEARNING","contentSlug":"namespaces-and-cgroups","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_3bff9d7a1b331a28fe14d2de64b968e9","title":"Linux Namespaces","order":0},{"id":"seed_3b567377d4626706cce9eebd990c4872","title":"PID, Network, Mount Namespaces","order":1},{"id":"seed_e0dfd33ba3849500a6ab1dbcc0f38931","title":"cgroups (Control Groups)","order":2},{"id":"seed_ce6a824093b6b64e4511d1d5b8dcd461","title":"Resource Limiting","order":3},{"id":"seed_daa2623629640c68751d693460ba72d0","title":"Container Isolation","order":4}]},{"id":"seed_c67c51597f380f37ebb931c1ca2a8228","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed System Concepts","order":1,"contentType":"LEARNING","contentSlug":"distributed-system-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_71c5e90d77b54839ae1b1ce74af6c969","title":"Distribution Definition","order":0},{"id":"seed_38b74e61ab9f5988abaa39673a8852f4","title":"Transparency Types","order":1},{"id":"seed_0da6ccb63c2ba1f9240e179ec9e4d219","title":"Scalability","order":2},{"id":"seed_de5510663a8313ecb28630f67fab9b11","title":"Fault Tolerance","order":3},{"id":"seed_a1675de8af59b928e4a9862847cbd062","title":"Consistency Challenges","order":4}]},{"id":"seed_5020ea10920f2ccac9fac6814bc1fbce","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Communication in Distributed Systems","order":2,"contentType":"LEARNING","contentSlug":"distributed-communication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ba9be4dcfa3419bb723ba3f4fe6bf9f2","title":"Message Passing","order":0},{"id":"seed_6153257929bfc499b851b1ff02d47af1","title":"Remote Procedure Calls (RPC)","order":1},{"id":"seed_c8047f9b84ae558714f33217be309b80","title":"REST and gRPC","order":2},{"id":"seed_3bc83501c40c1d8a219ba84acf9e9a17","title":"Sockets","order":3},{"id":"seed_f6b45b40031e7aa0d1895b6b68b0b57b","title":"Message Queues","order":4}]},{"id":"seed_95cf1ce4325b68ee048ba986103c9155","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed Clocks and Time Synchronization","order":3,"contentType":"LEARNING","contentSlug":"distributed-clocks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_efd4ae6c341b1bbd08331a8166a3840c","title":"Clock Synchronization","order":0},{"id":"seed_48013d233e349f5b4bf752726e3d6ab0","title":"Logical Clocks (Lamport)","order":1},{"id":"seed_c4766b9498a073eb5da5bcbc859e8c8c","title":"Vector Clocks","order":2},{"id":"seed_ee3fccd344712dbc185bc364b248ce90","title":"NTP (Network Time Protocol)","order":3},{"id":"seed_d3d845e00794be651c5a1a3ab3c8ee87","title":"Clock Drift","order":4}]},{"id":"seed_07d7f230ea620df583b7f981cee9a418","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Distributed Coordination","order":4,"contentType":"LEARNING","contentSlug":"distributed-coordination","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_106ac504d2122803a9983de4236a5541","title":"Leader Election","order":0},{"id":"seed_feb73c57b5ef5d024303c782f86e27bf","title":"Consensus Algorithms","order":1},{"id":"seed_88eb446bdbce18e9363fc454de301cfc","title":"Paxos Basics","order":2},{"id":"seed_e9785a337f73b7ef4fda5afc74cd81d1","title":"Raft Basics","order":3},{"id":"seed_89e5812b353f9d107831797cc0819de7","title":"Distributed Locks","order":4}]},{"id":"seed_8016eb77a27f90d20ec661baafebcdaf","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 37: Distributed Systems Basics","sectionOrder":43,"title":"Cloud Computing","order":5,"contentType":"LEARNING","contentSlug":"cloud-computing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e4254872ecb2f99773ba0bbe48d613f9","title":"Cloud Service Models","order":0},{"id":"seed_5ae868dd4b23b7d2d257dcfb05fb51fb","title":"IaaS, PaaS, SaaS","order":1},{"id":"seed_b9fbdd0596c6613169e68362b328c68f","title":"Virtualization in Cloud","order":2},{"id":"seed_0674f8021b38249ed97a8790db1a71d5","title":"Container Orchestration (Kubernetes)","order":3},{"id":"seed_4408b9260cb80eb574486eb147321ee7","title":"Cloud OS Considerations","order":4}]},{"id":"seed_fcf64e71390497b8acc672168e76eda0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time Operating System Concepts","order":1,"contentType":"LEARNING","contentSlug":"real-time-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_6a0223ecafa7de140c893c99dd23789c","title":"Real-Time Definition","order":0},{"id":"seed_9127465fd68fbcbdebaf09c428b28be1","title":"Hard vs Soft Real-Time","order":1},{"id":"seed_e16589eee105cd7c461195b2375d5523","title":"Deadlines","order":2},{"id":"seed_347bab7180379ad30256fa7476e1dfdb","title":"Predictability","order":3},{"id":"seed_722a193f6e2acbc84be18a21ecd25fe8","title":"Real-Time Applications","order":4}]},{"id":"seed_469662648f26ffac0c451852d788fcd6","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Priority Inversion","order":2,"contentType":"LEARNING","contentSlug":"priority-inversion","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_0219e6480865644ba86085d7d2f6ba95","title":"Priority Inversion Problem","order":0},{"id":"seed_5f0d5860b98ac82a227701f2f1610fd2","title":"Mars Pathfinder Incident","order":1},{"id":"seed_89019c547c2812a880b4359a747d877c","title":"Priority Inheritance","order":2},{"id":"seed_828e9e8d62ae737e3f5c311a2efe1d6d","title":"Priority Ceiling","order":3},{"id":"seed_80c2661556616d3f8933dbc8aed7a9ba","title":"Resource Access Protocols","order":4}]},{"id":"seed_98b407e4e164750e3a68981a098f74ef","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time OS Features","order":3,"contentType":"LEARNING","contentSlug":"real-time-os-features","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_ca8071d74f1b6222e74d66a0357f6a06","title":"Minimal Latency","order":0},{"id":"seed_5b81e87f5c4884d99617ad9012d7f928","title":"Deterministic Behavior","order":1},{"id":"seed_2324ad944304063514a824018154390c","title":"Interrupt Handling","order":2},{"id":"seed_d4497b2cbdab6cccd3689707a7ba6cee","title":"Timer Resolution","order":3},{"id":"seed_c1c6e7b0f5bd04b29ce0f8efd9343af0","title":"Memory Management","order":4}]},{"id":"seed_abd44044a3a187d5af92b7716924a3a0","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"Real-Time Linux","order":4,"contentType":"LEARNING","contentSlug":"real-time-linux","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_4a08bb80d72cfeb0031682a98e5edc58","title":"PREEMPT_RT Patch","order":0},{"id":"seed_6c1545595b32e938c5c8774d86b46d83","title":"Real-Time Schedulers","order":1},{"id":"seed_adc35b91c4a5dbee94022937009d1b22","title":"Latency Reduction","order":2},{"id":"seed_2b09d12d7972cfe70a8df8da3bf6f656","title":"RT-Linux","order":3},{"id":"seed_ba0494d98bb38a35ed1508753de9b64a","title":"Application Guidelines","order":4}]},{"id":"seed_9e6d4f577a93d716f3e7fbf19a9c0e64","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 38: Real Time Operating Systems","sectionOrder":44,"title":"RTOS Examples","order":5,"contentType":"LEARNING","contentSlug":"rtos-examples","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_475737fc7a8a45ec67227747149925cd","title":"FreeRTOS","order":0},{"id":"seed_b262ace2b9f31ca2abc8524af82c223c","title":"VxWorks","order":1},{"id":"seed_39d3887aba0dabdc076d74661dc6437b","title":"QNX","order":2},{"id":"seed_9c66d456de19395bdd6465f31dba3fa8","title":"Embedded Systems","order":3},{"id":"seed_5b315d046e1a6a27ab380ff273584db0","title":"Automotive Systems","order":4}]},{"id":"seed_3f88e5cb45ad5060c9edf802a12f37c5","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Kernel Architecture","order":1,"contentType":"LEARNING","contentSlug":"linux-kernel-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_986d690d689e8b4fd550b5a5d655ad6f","title":"Monolithic with Modules","order":0},{"id":"seed_8a3bca7033e52d560b4320f0d63c7cc5","title":"Kernel Source Structure","order":1},{"id":"seed_c1acb1677a058a871ce0e5343f0b6d5e","title":"Kernel Configuration","order":2},{"id":"seed_9e4bc6a41b1e7f3c8fff11239bb3276a","title":"Kernel Compilation","order":3},{"id":"seed_d6aebed7d7f19a427dd6692c2f09ce26","title":"Kernel Versioning","order":4}]},{"id":"seed_2c41c3e1c0341c349751860904901bdd","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Process Management","order":2,"contentType":"LEARNING","contentSlug":"linux-process-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_09850e9faf411aee3dec4fb19e5cb799","title":"task_struct: The Heart of Linux Process Representation","order":0},{"id":"seed_04b090bc6b2fe8da3baf5a90d8b117dd","title":"Process Creation: The do_fork Mechanism","order":1},{"id":"seed_7a086f07468c7dbe20c03d818c755a24","title":"Scheduling Classes: Linux's Modular Scheduler Architecture","order":2},{"id":"seed_904f0b1f374430228bee0e121cda3ffd","title":"CFS Implementation: The Completely Fair Scheduler","order":3},{"id":"seed_9f1832da2a35bcdbed055241e62551ff","title":"Process States: The Task Lifecycle","order":4}]},{"id":"seed_8c94706184061e777cf1aaedccb0cc01","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux File Systems","order":3,"contentType":"LEARNING","contentSlug":"linux-file-systems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e2859b01fc6cbf6d1a19336725638db3","title":"VFS Implementation","order":0},{"id":"seed_3a417e8e0db5a9c294038a1fb563583e","title":"ext4 Internals","order":1},{"id":"seed_210c32586bede4f34fb27cd323588920","title":"Block I/O Layer","order":2},{"id":"seed_00a0da083a32df259b332e78ecffe30d","title":"Page Cache","order":3},{"id":"seed_3c3821d4def5b6d107bdbeaca20a66e0","title":"File Operations","order":4}]},{"id":"seed_a8c39b926ec49c0218ba46234e830728","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"Linux Networking","order":4,"contentType":"LEARNING","contentSlug":"linux-networking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_1083c2c7b0b3029cb799e47582801288","title":"Socket Layer","order":0},{"id":"seed_2f91d7d6c85bdc11bb9b4f0725953fcb","title":"Protocol Stack","order":1},{"id":"seed_528d17ee03da3ac52d1937d4cd68a39c","title":"Network Namespaces","order":2},{"id":"seed_56f29002a590e05f7f7ab263c0f1aa7e","title":"TCP/IP Implementation","order":3},{"id":"seed_4f34a063875b32a275de79c20484fee5","title":"Packet Flow","order":4}]},{"id":"seed_0740281df0c7941405c2dd7a5d6961fa","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 39: Linux Internals","sectionOrder":45,"title":"eBPF: The Linux Kernel's Programmability Revolution","order":5,"contentType":"LEARNING","contentSlug":"ebpf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_7b42afc3b029738ac8f5ebbfe6539b88","title":"eBPF Overview","order":0},{"id":"seed_32b50868c1b105951253a7e23b8f5354","title":"eBPF Programs","order":1},{"id":"seed_9a5b1cdc78c6a32f9f743a65b19947fc","title":"Tracing and Observability","order":2},{"id":"seed_7c5409e00a6f6bd3b1d60474313b912c","title":"Networking Use Cases","order":3},{"id":"seed_859be2212f960fe4733b5ee46d12dea5","title":"Security Applications","order":4}]},{"id":"seed_c2ecb2e85e9e2d5627d3d741590fec9f","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design And Interview","sectionOrder":46,"title":"Operating System Design Principles","order":1,"contentType":"LEARNING","contentSlug":"os-design-principles","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_8f5f42b40a15c8d6541c6f5a3c8dfea1","title":"Separation of Concerns","order":0},{"id":"seed_8cabcec891180478c931779a5340a792","title":"Modularity","order":1},{"id":"seed_04835217784d72acf47feb753f0b2763","title":"Abstraction Layers","order":2},{"id":"seed_ec52d23ce4693018d39d0324a77bcfa1","title":"Policy vs Mechanism","order":3},{"id":"seed_74155ab4ebba471c2c7efa51bbd19b87","title":"Design Tradeoffs","order":4}]},{"id":"seed_bc3130db7917207d80f7ae4ef50a9318","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design And Interview","sectionOrder":46,"title":"Interview Problem Types","order":2,"contentType":"LEARNING","contentSlug":"interview-problem-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_dc50c4e9e564a79edb58e2d340633658","title":"Scheduling Problems","order":0},{"id":"seed_f0d9c76d84e249e017e1c1dd24baa60d","title":"Synchronization Problems","order":1},{"id":"seed_1b6c23fae7e1ac41acc8b3ba5c1470d6","title":"Memory Calculations","order":2},{"id":"seed_d51a0a5776c86dff5ef28686ebf413cb","title":"File System Calculations","order":3},{"id":"seed_bd12ccee95159ea9dd0075bb5e8dcbb8","title":"System Design","order":4}]},{"id":"seed_e2513a76988d732572d92d681041d094","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Classic Operating System Problems","order":1,"contentType":"LEARNING","contentSlug":"classic-os-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_e52803a99b3e47224cedfe3cd839b197","title":"Producer-Consumer Analysis","order":0},{"id":"seed_afbcc1df443f1911585db9ba42834683","title":"Readers-Writers Variations","order":1},{"id":"seed_620106732b2db0a5ade32e1461d11864","title":"Dining Philosophers Solutions","order":2},{"id":"seed_732074924e4fd30dc36952e26cf7a687","title":"Sleeping Barber Problem","order":3},{"id":"seed_e103551fe8acb8417c426178198a698a","title":"Problem-Solving Strategies","order":4}]},{"id":"seed_64eb8d30a7a4ba66acb0bd28e5e96496","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Numerical Problems in Operating Systems","order":2,"contentType":"LEARNING","contentSlug":"os-numerical-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_848a12073a6b699348a11be1ca3a64f8","title":"Process Timing Calculations","order":0},{"id":"seed_70166ff7f14c10536bdd071fd56dfd31","title":"Page Table Size Calculations","order":1},{"id":"seed_0071602135d23152cba532e184dde922","title":"TLB Hit Ratio Calculations","order":2},{"id":"seed_5ed3d44a3990ec1a212fa7f1a3e84937","title":"Disk Scheduling Seek Time Calculations","order":3},{"id":"seed_b7c3e8d00b90698caf0deb0472028b9d","title":"Memory Access Time Calculations","order":4}]},{"id":"seed_2b5c7aa0affd151ce761f39d33566b14","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Conceptual Questions","order":3,"contentType":"LEARNING","contentSlug":"conceptual-questions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_5590f2e6c6f44c8d941d1b5ac24d624f","title":"Process vs Thread Differences","order":0},{"id":"seed_3bfb39a110bfcba8a0b69cbcd7d9dbea","title":"Virtual Memory Benefits","order":1},{"id":"seed_f244723bf86caa01faf6407ed0d1c28f","title":"Deadlock Conditions","order":2},{"id":"seed_c181c214fecdabfb21b5c3937e757664","title":"File System Comparisons","order":3},{"id":"seed_d0c56cae38e63619aa707197ad309b12","title":"Security Concepts","order":4}]},{"id":"seed_53d78947ce21d614c8f2e296cfc31dec","learningPathId":"seed_37d2f8441071f52e9abfc18043cd1c3b","section":"Chapter 40: Os Design Interview","sectionOrder":47,"title":"Operating System Project Ideas","order":4,"contentType":"LEARNING","contentSlug":"os-project-ideas","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.269Z","updatedAt":"2026-10-17T16:28:32.136Z","pages":[{"id":"seed_040668230e780364a50ddbb2efc6f33a","title":"Simple Shell","order":0},{"id":"seed_ff022bf7192228fe687fffca9622de66","title":"Custom Scheduler","order":1},{"id":"seed_46fbf023d6120711871f74f9d51aa46e","title":"Memory Allocator","order":2},{"id":"seed_fa4fc1dfe4a11345c1a7d9767d10ec5c","title":"File System Implementation","order":3},{"id":"seed_616029ea1060ac26840bb4fae1672692","title":"Mini Kernel","order":4}]}]},"currentModule":"$46:props:state:queries:1:state:data:json:path:modules:95","prevModule":"$46:props:state:queries:1:state:data:json:path:modules:94","nextModule":"$46:props:state:queries:1:state:data:json:path:modules:96","allModules":"$46:props:state:queries:1:state:data:json:path:modules"},"meta":{"values":{"path.createdAt":["Date"],"path.updatedAt":["Date"],"path.modules.0.createdAt":["Date"],"path.modules.0.updatedAt":["Date"],"path.modules.1.createdAt":["Date"],"path.modules.1.updatedAt":["Date"],"path.modules.2.createdAt":["Date"],"path.modules.2.updatedAt":["Date"],"path.modules.3.createdAt":["Date"],"path.modules.3.updatedAt":["Date"],"path.modules.4.createdAt":["Date"],"path.modules.4.updatedAt":["Date"],"path.modules.5.createdAt":["Date"],"path.modules.5.updatedAt":["Date"],"path.modules.6.createdAt":["Date"],"path.modules.6.updatedAt":["Date"],"path.modules.7.createdAt":["Date"],"path.modules.7.updatedAt":["Date"],"path.modules.8.createdAt":["Date"],"path.modules.8.updatedAt":["Date"],"path.modules.9.createdAt":["Date"],"path.modules.9.updatedAt":["Date"],"path.modules.10.createdAt":["Date"],"path.modules.10.updatedAt":["Date"],"path.modules.11.createdAt":["Date"],"path.modules.11.updatedAt":["Date"],"path.modules.12.createdAt":["Date"],"path.modules.12.updatedAt":["Date"],"path.modules.13.createdAt":["Date"],"path.modules.13.updatedAt":["Date"],"path.modules.14.createdAt":["Date"],"path.modules.14.updatedAt":["Date"],"path.modules.15.createdAt":["Date"],"path.modules.15.updatedAt":["Date"],"path.modules.16.createdAt":["Date"],"path.modules.16.updatedAt":["Date"],"path.modules.17.createdAt":["Date"],"path.modules.17.updatedAt":["Date"],"path.modules.18.createdAt":["Date"],"path.modules.18.updatedAt":["Date"],"path.modules.19.createdAt":["Date"],"path.modules.19.updatedAt":["Date"],"path.modules.20.createdAt":["Date"],"path.modules.20.updatedAt":["Date"],"path.modules.21.createdAt":["Date"],"path.modules.21.updatedAt":["Date"],"path.modules.22.createdAt":["Date"],"path.modules.22.updatedAt":["Date"],"path.modules.23.createdAt":["Date"],"path.modules.23.updatedAt":["Date"],"path.modules.24.createdAt":["Date"],"path.modules.24.updatedAt":["Date"],"path.modules.25.createdAt":["Date"],"path.modules.25.updatedAt":["Date"],"path.modules.26.createdAt":["Date"],"path.modules.26.updatedAt":["Date"],"path.modules.27.createdAt":["Date"],"path.modules.27.updatedAt":["Date"],"path.modules.28.createdAt":["Date"],"path.modules.28.updatedAt":["Date"],"path.modules.29.createdAt":["Date"],"path.modules.29.updatedAt":["Date"],"path.modules.30.createdAt":["Date"],"path.modules.30.updatedAt":["Date"],"path.modules.31.createdAt":["Date"],"path.modules.31.updatedAt":["Date"],"path.modules.32.createdAt":["Date"],"path.modules.32.updatedAt":["Date"],"path.modules.33.createdAt":["Date"],"path.modules.33.updatedAt":["Date"],"path.modules.34.createdAt":["Date"],"path.modules.34.updatedAt":["Date"],"path.modules.35.createdAt":["Date"],"path.modules.35.updatedAt":["Date"],"path.modules.36.createdAt":["Date"],"path.modules.36.updatedAt":["Date"],"path.modules.37.createdAt":["Date"],"path.modules.37.updatedAt":["Date"],"path.modules.38.createdAt":["Date"],"path.modules.38.updatedAt":["Date"],"path.modules.39.createdAt":["Date"],"path.modules.39.updatedAt":["Date"],"path.modules.40.createdAt":["Date"],"path.modules.40.updatedAt":["Date"],"path.modules.41.createdAt":["Date"],"path.modules.41.updatedAt":["Date"],"path.modules.42.createdAt":["Date"],"path.modules.42.updatedAt":["Date"],"path.modules.43.createdAt":["Date"],"path.modules.43.updatedAt":["Date"],"path.modules.44.createdAt":["Date"],"path.modules.44.updatedAt":["Date"],"path.modules.45.createdAt":["Date"],"path.modules.45.updatedAt":["Date"],"path.modules.46.createdAt":["Date"],"path.modules.46.updatedAt":["Date"],"path.modules.47.createdAt":["Date"],"path.modules.47.updatedAt":["Date"],"path.modules.48.createdAt":["Date"],"path.modules.48.updatedAt":["Date"],"path.modules.49.createdAt":["Date"],"path.modules.49.updatedAt":["Date"],"path.modules.50.createdAt":["Date"],"path.modules.50.updatedAt":["Date"],"path.modules.51.createdAt":["Date"],"path.modules.51.updatedAt":["Date"],"path.modules.52.createdAt":["Date"],"path.modules.52.updatedAt":["Date"],"path.modules.53.createdAt":["Date"],"path.modules.53.updatedAt":["Date"],"path.modules.54.createdAt":["Date"],"path.modules.54.updatedAt":["Date"],"path.modules.55.createdAt":["Date"],"path.modules.55.updatedAt":["Date"],"path.modules.56.createdAt":["Date"],"path.modules.56.updatedAt":["Date"],"path.modules.57.createdAt":["Date"],"path.modules.57.updatedAt":["Date"],"path.modules.58.createdAt":["Date"],"path.modules.58.updatedAt":["Date"],"path.modules.59.createdAt":["Date"],"path.modules.59.updatedAt":["Date"],"path.modules.60.createdAt":["Date"],"path.modules.60.updatedAt":["Date"],"path.modules.61.createdAt":["Date"],"path.modules.61.updatedAt":["Date"],"path.modules.62.createdAt":["Date"],"path.modules.62.updatedAt":["Date"],"path.modules.63.createdAt":["Date"],"path.modules.63.updatedAt":["Date"],"path.modules.64.createdAt":["Date"],"path.modules.64.updatedAt":["Date"],"path.modules.65.createdAt":["Date"],"path.modules.65.updatedAt":["Date"],"path.modules.66.createdAt":["Date"],"path.modules.66.updatedAt":["Date"],"path.modules.67.createdAt":["Date"],"path.modules.67.updatedAt":["Date"],"path.modules.68.createdAt":["Date"],"path.modules.68.updatedAt":["Date"],"path.modules.69.createdAt":["Date"],"path.modules.69.updatedAt":["Date"],"path.modules.70.createdAt":["Date"],"path.modules.70.updatedAt":["Date"],"path.modules.71.createdAt":["Date"],"path.modules.71.updatedAt":["Date"],"path.modules.72.createdAt":["Date"],"path.modules.72.updatedAt":["Date"],"path.modules.73.createdAt":["Date"],"path.modules.73.updatedAt":["Date"],"path.modules.74.createdAt":["Date"],"path.modules.74.updatedAt":["Date"],"path.modules.75.createdAt":["Date"],"path.modules.75.updatedAt":["Date"],"path.modules.76.createdAt":["Date"],"path.modules.76.updatedAt":["Date"],"path.modules.77.createdAt":["Date"],"path.modules.77.updatedAt":["Date"],"path.modules.78.createdAt":["Date"],"path.modules.78.updatedAt":["Date"],"path.modules.79.createdAt":["Date"],"path.modules.79.updatedAt":["Date"],"path.modules.80.createdAt":["Date"],"path.modules.80.updatedAt":["Date"],"path.modules.81.createdAt":["Date"],"path.modules.81.updatedAt":["Date"],"path.modules.82.createdAt":["Date"],"path.modules.82.updatedAt":["Date"],"path.modules.83.createdAt":["Date"],"path.modules.83.updatedAt":["Date"],"path.modules.84.createdAt":["Date"],"path.modules.84.updatedAt":["Date"],"path.modules.85.createdAt":["Date"],"path.modules.85.updatedAt":["Date"],"path.modules.86.createdAt":["Date"],"path.modules.86.updatedAt":["Date"],"path.modules.87.createdAt":["Date"],"path.modules.87.updatedAt":["Date"],"path.modules.88.createdAt":["Date"],"path.modules.88.updatedAt":["Date"],"path.modules.89.createdAt":["Date"],"path.modules.89.updatedAt":["Date"],"path.modules.90.createdAt":["Date"],"path.modules.90.updatedAt":["Date"],"path.modules.91.createdAt":["Date"],"path.modules.91.updatedAt":["Date"],"path.modules.92.createdAt":["Date"],"path.modules.92.updatedAt":["Date"],"path.modules.93.createdAt":["Date"],"path.modules.93.updatedAt":["Date"],"path.modules.94.createdAt":["Date"],"path.modules.94.updatedAt":["Date"],"path.modules.95.createdAt":["Date"],"path.modules.95.updatedAt":["Date"],"path.modules.96.createdAt":["Date"],"path.modules.96.updatedAt":["Date"],"path.modules.97.createdAt":["Date"],"path.modules.97.updatedAt":["Date"],"path.modules.98.createdAt":["Date"],"path.modules.98.updatedAt":["Date"],"path.modules.99.createdAt":["Date"],"path.modules.99.updatedAt":["Date"],"path.modules.100.createdAt":["Date"],"path.modules.100.updatedAt":["Date"],"path.modules.101.createdAt":["Date"],"path.modules.101.updatedAt":["Date"],"path.modules.102.createdAt":["Date"],"path.modules.102.updatedAt":["Date"],"path.modules.103.createdAt":["Date"],"path.modules.103.updatedAt":["Date"],"path.modules.104.createdAt":["Date"],"path.modules.104.updatedAt":["Date"],"path.modules.105.createdAt":["Date"],"path.modules.105.updatedAt":["Date"],"path.modules.106.createdAt":["Date"],"path.modules.106.updatedAt":["Date"],"path.modules.107.createdAt":["Date"],"path.modules.107.updatedAt":["Date"],"path.modules.108.createdAt":["Date"],"path.modules.108.updatedAt":["Date"],"path.modules.109.createdAt":["Date"],"path.modules.109.updatedAt":["Date"],"path.modules.110.createdAt":["Date"],"path.modules.110.updatedAt":["Date"],"path.modules.111.createdAt":["Date"],"path.modules.111.updatedAt":["Date"],"path.modules.112.createdAt":["Date"],"path.modules.112.updatedAt":["Date"],"path.modules.113.createdAt":["Date"],"path.modules.113.updatedAt":["Date"],"path.modules.114.createdAt":["Date"],"path.modules.114.updatedAt":["Date"],"path.modules.115.createdAt":["Date"],"path.modules.115.updatedAt":["Date"],"path.modules.116.createdAt":["Date"],"path.modules.116.updatedAt":["Date"],"path.modules.117.createdAt":["Date"],"path.modules.117.updatedAt":["Date"],"path.modules.118.createdAt":["Date"],"path.modules.118.updatedAt":["Date"],"path.modules.119.createdAt":["Date"],"path.modules.119.updatedAt":["Date"],"path.modules.120.createdAt":["Date"],"path.modules.120.updatedAt":["Date"],"path.modules.121.createdAt":["Date"],"path.modules.121.updatedAt":["Date"],"path.modules.122.createdAt":["Date"],"path.modules.122.updatedAt":["Date"],"path.modules.123.createdAt":["Date"],"path.modules.123.updatedAt":["Date"],"path.modules.124.createdAt":["Date"],"path.modules.124.updatedAt":["Date"],"path.modules.125.createdAt":["Date"],"path.modules.125.updatedAt":["Date"],"path.modules.126.createdAt":["Date"],"path.modules.126.updatedAt":["Date"],"path.modules.127.createdAt":["Date"],"path.modules.127.updatedAt":["Date"],"path.modules.128.createdAt":["Date"],"path.modules.128.updatedAt":["Date"],"path.modules.129.createdAt":["Date"],"path.modules.129.updatedAt":["Date"],"path.modules.130.createdAt":["Date"],"path.modules.130.updatedAt":["Date"],"path.modules.131.createdAt":["Date"],"path.modules.131.updatedAt":["Date"],"path.modules.132.createdAt":["Date"],"path.modules.132.updatedAt":["Date"],"path.modules.133.createdAt":["Date"],"path.modules.133.updatedAt":["Date"],"path.modules.134.createdAt":["Date"],"path.modules.134.updatedAt":["Date"],"path.modules.135.createdAt":["Date"],"path.modules.135.updatedAt":["Date"],"path.modules.136.createdAt":["Date"],"path.modules.136.updatedAt":["Date"],"path.modules.137.createdAt":["Date"],"path.modules.137.updatedAt":["Date"],"path.modules.138.createdAt":["Date"],"path.modules.138.updatedAt":["Date"],"path.modules.139.createdAt":["Date"],"path.modules.139.updatedAt":["Date"],"path.modules.140.createdAt":["Date"],"path.modules.140.updatedAt":["Date"],"path.modules.141.createdAt":["Date"],"path.modules.141.updatedAt":["Date"],"path.modules.142.createdAt":["Date"],"path.modules.142.updatedAt":["Date"],"path.modules.143.createdAt":["Date"],"path.modules.143.updatedAt":["Date"],"path.modules.144.createdAt":["Date"],"path.modules.144.updatedAt":["Date"],"path.modules.145.createdAt":["Date"],"path.modules.145.updatedAt":["Date"],"path.modules.146.createdAt":["Date"],"path.modules.146.updatedAt":["Date"],"path.modules.147.createdAt":["Date"],"path.modules.147.updatedAt":["Date"],"path.modules.148.createdAt":["Date"],"path.modules.148.updatedAt":["Date"],"path.modules.149.createdAt":["Date"],"path.modules.149.updatedAt":["Date"],"path.modules.150.createdAt":["Date"],"path.modules.150.updatedAt":["Date"],"path.modules.151.createdAt":["Date"],"path.modules.151.updatedAt":["Date"],"path.modules.152.createdAt":["Date"],"path.modules.152.updatedAt":["Date"],"path.modules.153.createdAt":["Date"],"path.modules.153.updatedAt":["Date"],"path.modules.154.createdAt":["Date"],"path.modules.154.updatedAt":["Date"],"path.modules.155.createdAt":["Date"],"path.modules.155.updatedAt":["Date"],"path.modules.156.createdAt":["Date"],"path.modules.156.updatedAt":["Date"],"path.modules.157.createdAt":["Date"],"path.modules.157.updatedAt":["Date"],"path.modules.158.createdAt":["Date"],"path.modules.158.updatedAt":["Date"],"path.modules.159.createdAt":["Date"],"path.modules.159.updatedAt":["Date"],"path.modules.160.createdAt":["Date"],"path.modules.160.updatedAt":["Date"],"path.modules.161.createdAt":["Date"],"path.modules.161.updatedAt":["Date"],"path.modules.162.createdAt":["Date"],"path.modules.162.updatedAt":["Date"],"path.modules.163.createdAt":["Date"],"path.modules.163.updatedAt":["Date"],"path.modules.164.createdAt":["Date"],"path.modules.164.updatedAt":["Date"],"path.modules.165.createdAt":["Date"],"path.modules.165.updatedAt":["Date"],"path.modules.166.createdAt":["Date"],"path.modules.166.updatedAt":["Date"],"path.modules.167.createdAt":["Date"],"path.modules.167.updatedAt":["Date"],"path.modules.168.createdAt":["Date"],"path.modules.168.updatedAt":["Date"],"path.modules.169.createdAt":["Date"],"path.modules.169.updatedAt":["Date"],"path.modules.170.createdAt":["Date"],"path.modules.170.updatedAt":["Date"],"path.modules.171.createdAt":["Date"],"path.modules.171.updatedAt":["Date"],"path.modules.172.createdAt":["Date"],"path.modules.172.updatedAt":["Date"],"path.modules.173.createdAt":["Date"],"path.modules.173.updatedAt":["Date"],"path.modules.174.createdAt":["Date"],"path.modules.174.updatedAt":["Date"],"path.modules.175.createdAt":["Date"],"path.modules.175.updatedAt":["Date"],"path.modules.176.createdAt":["Date"],"path.modules.176.updatedAt":["Date"],"path.modules.177.createdAt":["Date"],"path.modules.177.updatedAt":["Date"],"path.modules.178.createdAt":["Date"],"path.modules.178.updatedAt":["Date"],"path.modules.179.createdAt":["Date"],"path.modules.179.updatedAt":["Date"],"path.modules.180.createdAt":["Date"],"path.modules.180.updatedAt":["Date"],"path.modules.181.createdAt":["Date"],"path.modules.181.updatedAt":["Date"],"path.modules.182.createdAt":["Date"],"path.modules.182.updatedAt":["Date"],"path.modules.183.createdAt":["Date"],"path.modules.183.updatedAt":["Date"],"path.modules.184.createdAt":["Date"],"path.modules.184.updatedAt":["Date"],"path.modules.185.createdAt":["Date"],"path.modules.185.updatedAt":["Date"],"path.modules.186.createdAt":["Date"],"path.modules.186.updatedAt":["Date"],"path.modules.187.createdAt":["Date"],"path.modules.187.updatedAt":["Date"],"path.modules.188.createdAt":["Date"],"path.modules.188.updatedAt":["Date"],"path.modules.189.createdAt":["Date"],"path.modules.189.updatedAt":["Date"],"path.modules.190.createdAt":["Date"],"path.modules.190.updatedAt":["Date"],"path.modules.191.createdAt":["Date"],"path.modules.191.updatedAt":["Date"],"path.modules.192.createdAt":["Date"],"path.modules.192.updatedAt":["Date"],"path.modules.193.createdAt":["Date"],"path.modules.193.updatedAt":["Date"],"path.modules.194.createdAt":["Date"],"path.modules.194.updatedAt":["Date"],"path.modules.195.createdAt":["Date"],"path.modules.195.updatedAt":["Date"],"path.modules.196.createdAt":["Date"],"path.modules.196.updatedAt":["Date"],"path.modules.197.createdAt":["Date"],"path.modules.197.updatedAt":["Date"],"path.modules.198.createdAt":["Date"],"path.modules.198.updatedAt":["Date"],"path.modules.199.createdAt":["Date"],"path.modules.199.updatedAt":["Date"],"path.modules.200.createdAt":["Date"],"path.modules.200.updatedAt":["Date"],"path.modules.201.createdAt":["Date"],"path.modules.201.updatedAt":["Date"],"path.modules.202.createdAt":["Date"],"path.modules.202.updatedAt":["Date"],"path.modules.203.createdAt":["Date"],"path.modules.203.updatedAt":["Date"],"path.modules.204.createdAt":["Date"],"path.modules.204.updatedAt":["Date"],"path.modules.205.createdAt":["Date"],"path.modules.205.updatedAt":["Date"],"path.modules.206.createdAt":["Date"],"path.modules.206.updatedAt":["Date"],"path.modules.207.createdAt":["Date"],"path.modules.207.updatedAt":["Date"],"path.modules.208.createdAt":["Date"],"path.modules.208.updatedAt":["Date"],"path.modules.209.createdAt":["Date"],"path.modules.209.updatedAt":["Date"],"path.modules.210.createdAt":["Date"],"path.modules.210.updatedAt":["Date"],"path.modules.211.createdAt":["Date"],"path.modules.211.updatedAt":["Date"],"path.modules.212.createdAt":["Date"],"path.modules.212.updatedAt":["Date"],"path.modules.213.createdAt":["Date"],"path.modules.213.updatedAt":["Date"],"path.modules.214.createdAt":["Date"],"path.modules.214.updatedAt":["Date"],"path.modules.215.createdAt":["Date"],"path.modules.215.updatedAt":["Date"],"path.modules.216.createdAt":["Date"],"path.modules.216.updatedAt":["Date"],"path.modules.217.createdAt":["Date"],"path.modules.217.updatedAt":["Date"],"path.modules.218.createdAt":["Date"],"path.modules.218.updatedAt":["Date"],"path.modules.219.createdAt":["Date"],"path.modules.219.updatedAt":["Date"],"path.modules.220.createdAt":["Date"],"path.modules.220.updatedAt":["Date"],"path.modules.221.createdAt":["Date"],"path.modules.221.updatedAt":["Date"],"path.modules.222.createdAt":["Date"],"path.modules.222.updatedAt":["Date"],"path.modules.223.createdAt":["Date"],"path.modules.223.updatedAt":["Date"],"path.modules.224.createdAt":["Date"],"path.modules.224.updatedAt":["Date"],"path.modules.225.createdAt":["Date"],"path.modules.225.updatedAt":["Date"],"path.modules.226.createdAt":["Date"],"path.modules.226.updatedAt":["Date"],"path.modules.227.createdAt":["Date"],"path.modules.227.updatedAt":["Date"],"path.modules.228.createdAt":["Date"],"path.modules.228.updatedAt":["Date"],"path.modules.229.createdAt":["Date"],"path.modules.229.updatedAt":["Date"],"path.modules.230.createdAt":["Date"],"path.modules.230.updatedAt":["Date"],"path.modules.231.createdAt":["Date"],"path.modules.231.updatedAt":["Date"],"path.modules.232.createdAt":["Date"],"path.modules.232.updatedAt":["Date"],"path.modules.233.createdAt":["Date"],"path.modules.233.updatedAt":["Date"],"path.modules.234.createdAt":["Date"],"path.modules.234.updatedAt":["Date"],"path.modules.235.createdAt":["Date"],"path.modules.235.updatedAt":["Date"],"currentModule.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.95.createdAt","currentModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.95.updatedAt","prevModule.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.94.createdAt","prevModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.94.updatedAt","nextModule.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.96.createdAt","nextModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.96.updatedAt","allModules.0.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.0.createdAt","allModules.0.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.0.updatedAt","allModules.1.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.1.createdAt","allModules.1.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.1.updatedAt","allModules.2.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.2.createdAt","allModules.2.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.2.updatedAt","allModules.3.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.3.createdAt","allModules.3.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.3.updatedAt","allModules.4.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.4.createdAt","allModules.4.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.4.updatedAt","allModules.5.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.5.createdAt","allModules.5.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.5.updatedAt","allModules.6.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.6.createdAt","allModules.6.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.6.updatedAt","allModules.7.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.7.createdAt","allModules.7.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.7.updatedAt","allModules.8.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.8.createdAt","allModules.8.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.8.updatedAt","allModules.9.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.9.createdAt","allModules.9.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.9.updatedAt","allModules.10.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.10.createdAt","allModules.10.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.10.updatedAt","allModules.11.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.11.createdAt","allModules.11.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.11.updatedAt","allModules.12.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.12.createdAt","allModules.12.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.12.updatedAt","allModules.13.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.13.createdAt","allModules.13.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.13.updatedAt","allModules.14.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.14.createdAt","allModules.14.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.14.updatedAt","allModules.15.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.15.createdAt","allModules.15.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.15.updatedAt","allModules.16.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.16.createdAt","allModules.16.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.16.updatedAt","allModules.17.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.17.createdAt","allModules.17.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.17.updatedAt","allModules.18.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.18.createdAt","allModules.18.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.18.updatedAt","allModules.19.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.19.createdAt","allModules.19.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.19.updatedAt","allModules.20.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.20.createdAt","allModules.20.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.20.updatedAt","allModules.21.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.21.createdAt","allModules.21.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.21.updatedAt","allModules.22.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.22.createdAt","allModules.22.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.22.updatedAt","allModules.23.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.23.createdAt","allModules.23.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.23.updatedAt","allModules.24.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.24.createdAt","allModules.24.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.24.updatedAt","allModules.25.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.25.createdAt","allModules.25.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.25.updatedAt","allModules.26.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.26.createdAt","allModules.26.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.26.updatedAt","allModules.27.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.27.createdAt","allModules.27.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.27.updatedAt","allModules.28.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.28.createdAt","allModules.28.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.28.updatedAt","allModules.29.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.29.createdAt","allModules.29.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.29.updatedAt","allModules.30.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.30.createdAt","allModules.30.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.30.updatedAt","allModules.31.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.31.createdAt","allModules.31.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.31.updatedAt","allModules.32.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.32.createdAt","allModules.32.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.32.updatedAt","allModules.33.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.33.createdAt","allModules.33.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.33.updatedAt","allModules.34.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.34.createdAt","allModules.34.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.34.updatedAt","allModules.35.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.35.createdAt","allModules.35.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.35.updatedAt","allModules.36.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.36.createdAt","allModules.36.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.36.updatedAt","allModules.37.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.37.createdAt","allModules.37.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.37.updatedAt","allModules.38.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.38.createdAt","allModules.38.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.38.updatedAt","allModules.39.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.39.createdAt","allModules.39.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.39.updatedAt","allModules.40.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.40.createdAt","allModules.40.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.40.updatedAt","allModules.41.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.41.createdAt","allModules.41.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.41.updatedAt","allModules.42.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.42.createdAt","allModules.42.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.42.updatedAt","allModules.43.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.43.createdAt","allModules.43.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.43.updatedAt","allModules.44.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.44.createdAt","allModules.44.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.44.updatedAt","allModules.45.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.45.createdAt","allModules.45.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.45.updatedAt","allModules.46.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.46.createdAt","allModules.46.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.46.updatedAt","allModules.47.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.47.createdAt","allModules.47.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.47.updatedAt","allModules.48.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.48.createdAt","allModules.48.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.48.updatedAt","allModules.49.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.49.createdAt","allModules.49.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.49.updatedAt","allModules.50.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.50.createdAt","allModules.50.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.50.updatedAt","allModules.51.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.51.createdAt","allModules.51.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.51.updatedAt","allModules.52.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.52.createdAt","allModules.52.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.52.updatedAt","allModules.53.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.53.createdAt","allModules.53.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.53.updatedAt","allModules.54.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.54.createdAt","allModules.54.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.54.updatedAt","allModules.55.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.55.createdAt","allModules.55.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.55.updatedAt","allModules.56.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.56.createdAt","allModules.56.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.56.updatedAt","allModules.57.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.57.createdAt","allModules.57.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.57.updatedAt","allModules.58.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.58.createdAt","allModules.58.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.58.updatedAt","allModules.59.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.59.createdAt","allModules.59.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.59.updatedAt","allModules.60.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.60.createdAt","allModules.60.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.60.updatedAt","allModules.61.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.61.createdAt","allModules.61.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.61.updatedAt","allModules.62.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.62.createdAt","allModules.62.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.62.updatedAt","allModules.63.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.63.createdAt","allModules.63.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.63.updatedAt","allModules.64.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.64.createdAt","allModules.64.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.64.updatedAt","allModules.65.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.65.createdAt","allModules.65.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.65.updatedAt","allModules.66.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.66.createdAt","allModules.66.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.66.updatedAt","allModules.67.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.67.createdAt","allModules.67.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.67.updatedAt","allModules.68.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.68.createdAt","allModules.68.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.68.updatedAt","allModules.69.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.69.createdAt","allModules.69.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.69.updatedAt","allModules.70.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.70.createdAt","allModules.70.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.70.updatedAt","allModules.71.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.71.createdAt","allModules.71.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.71.updatedAt","allModules.72.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.72.createdAt","allModules.72.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.72.updatedAt","allModules.73.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.73.createdAt","allModules.73.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.73.updatedAt","allModules.74.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.74.createdAt","allModules.74.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.74.updatedAt","allModules.75.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.75.createdAt","allModules.75.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.75.updatedAt","allModules.76.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.76.createdAt","allModules.76.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.76.updatedAt","allModules.77.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.77.createdAt","allModules.77.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.77.updatedAt","allModules.78.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.78.createdAt","allModules.78.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.78.updatedAt","allModules.79.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.79.createdAt","allModules.79.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.79.updatedAt","allModules.80.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.80.createdAt","allModules.80.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.80.updatedAt","allModules.81.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.81.createdAt","allModules.81.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.81.updatedAt","allModules.82.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.82.createdAt","allModules.82.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.82.updatedAt","allModules.83.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.83.createdAt","allModules.83.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.83.updatedAt","allModules.84.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.84.createdAt","allModules.84.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.84.updatedAt","allModules.85.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.85.createdAt","allModules.85.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.85.updatedAt","allModules.86.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.86.createdAt","allModules.86.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.86.updatedAt","allModules.87.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.87.createdAt","allModules.87.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.87.updatedAt","allModules.88.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.88.createdAt","allModules.88.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.88.updatedAt","allModules.89.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.89.createdAt","allModules.89.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.89.updatedAt","allModules.90.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.90.createdAt","allModules.90.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.90.updatedAt","allModules.91.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.91.createdAt","allModules.91.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.91.updatedAt","allModules.92.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.92.createdAt","allModules.92.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.92.updatedAt","allModules.93.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.93.createdAt","allModules.93.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.93.updatedAt","allModules.94.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.94.createdAt","allModules.94.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.94.updatedAt","allModules.95.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.95.createdAt","allModules.95.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.95.updatedAt","allModules.96.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.96.createdAt","allModules.96.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.96.updatedAt","allModules.97.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.97.createdAt","allModules.97.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.97.updatedAt","allModules.98.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.98.createdAt","allModules.98.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.98.updatedAt","allModules.99.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.99.createdAt","allModules.99.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.99.updatedAt","allModules.100.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.100.createdAt","allModules.100.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.100.updatedAt","allModules.101.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.101.createdAt","allModules.101.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.101.updatedAt","allModules.102.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.102.createdAt","allModules.102.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.102.updatedAt","allModules.103.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.103.createdAt","allModules.103.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.103.updatedAt","allModules.104.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.104.createdAt","allModules.104.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.104.updatedAt","allModules.105.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.105.createdAt","allModules.105.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.105.updatedAt","allModules.106.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.106.createdAt","allModules.106.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.106.updatedAt","allModules.107.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.107.createdAt","allModules.107.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.107.updatedAt","allModules.108.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.108.createdAt","allModules.108.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.108.updatedAt","allModules.109.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.109.createdAt","allModules.109.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.109.updatedAt","allModules.110.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.110.createdAt","allModules.110.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.110.updatedAt","allModules.111.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.111.createdAt","allModules.111.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.111.updatedAt","allModules.112.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.112.createdAt","allModules.112.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.112.updatedAt","allModules.113.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.113.createdAt","allModules.113.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.113.updatedAt","allModules.114.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.114.createdAt","allModules.114.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.114.updatedAt","allModules.115.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.115.createdAt","allModules.115.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.115.updatedAt","allModules.116.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.116.createdAt","allModules.116.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.116.updatedAt","allModules.117.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.117.createdAt","allModules.117.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.117.updatedAt","allModules.118.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.118.createdAt","allModules.118.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.118.updatedAt","allModules.119.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.119.createdAt","allModules.119.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.119.updatedAt","allModules.120.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.120.createdAt","allModules.120.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.120.updatedAt","allModules.121.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.121.createdAt","allModules.121.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.121.updatedAt","allModules.122.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.122.createdAt","allModules.122.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.122.updatedAt","allModules.123.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.123.createdAt","allModules.123.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.123.updatedAt","allModules.124.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.124.createdAt","allModules.124.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.124.updatedAt","allModules.125.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.125.createdAt","allModules.125.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.125.updatedAt","allModules.126.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.126.createdAt","allModules.126.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.126.updatedAt","allModules.127.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.127.createdAt","allModules.127.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.127.updatedAt","allModules.128.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.128.createdAt","allModules.128.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.128.updatedAt","allModules.129.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.129.createdAt","allModules.129.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.129.updatedAt","allModules.130.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.130.createdAt","allModules.130.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.130.updatedAt","allModules.131.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.131.createdAt","allModules.131.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.131.updatedAt","allModules.132.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.132.createdAt","allModules.132.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.132.updatedAt","allModules.133.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.133.createdAt","allModules.133.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.133.updatedAt","allModules.134.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.134.createdAt","allModules.134.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.134.updatedAt","allModules.135.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.135.createdAt","allModules.135.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.135.updatedAt","allModules.136.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.136.createdAt","allModules.136.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.136.updatedAt","allModules.137.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.137.createdAt","allModules.137.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.137.updatedAt","allModules.138.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.138.createdAt","allModules.138.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.138.updatedAt","allModules.139.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.139.createdAt","allModules.139.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.139.updatedAt","allModules.140.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.140.createdAt","allModules.140.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.140.updatedAt","allModules.141.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.141.createdAt","allModules.141.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.141.updatedAt","allModules.142.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.142.createdAt","allModules.142.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.142.updatedAt","allModules.143.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.143.createdAt","allModules.143.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.143.updatedAt","allModules.144.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.144.createdAt","allModules.144.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.144.updatedAt","allModules.145.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.145.createdAt","allModules.145.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.145.updatedAt","allModules.146.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.146.createdAt","allModules.146.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.146.updatedAt","allModules.147.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.147.createdAt","allModules.147.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.147.updatedAt","allModules.148.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.148.createdAt","allModules.148.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.148.updatedAt","allModules.149.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.149.createdAt","allModules.149.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.149.updatedAt","allModules.150.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.150.createdAt","allModules.150.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.150.updatedAt","allModules.151.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.151.createdAt","allModules.151.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.151.updatedAt","allModules.152.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.152.createdAt","allModules.152.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.152.updatedAt","allModules.153.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.153.createdAt","allModules.153.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.153.updatedAt","allModules.154.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.154.createdAt","allModules.154.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.154.updatedAt","allModules.155.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.155.createdAt","allModules.155.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.155.updatedAt","allModules.156.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.156.createdAt","allModules.156.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.156.updatedAt","allModules.157.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.157.createdAt","allModules.157.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.157.updatedAt","allModules.158.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.158.createdAt","allModules.158.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.158.updatedAt","allModules.159.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.159.createdAt","allModules.159.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.159.updatedAt","allModules.160.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.160.createdAt","allModules.160.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.160.updatedAt","allModules.161.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.161.createdAt","allModules.161.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.161.updatedAt","allModules.162.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.162.createdAt","allModules.162.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.162.updatedAt","allModules.163.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.163.createdAt","allModules.163.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.163.updatedAt","allModules.164.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.164.createdAt","allModules.164.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.164.updatedAt","allModules.165.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.165.createdAt","allModules.165.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.165.updatedAt","allModules.166.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.166.createdAt","allModules.166.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.166.updatedAt","allModules.167.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.167.createdAt","allModules.167.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.167.updatedAt","allModules.168.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.168.createdAt","allModules.168.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.168.updatedAt","allModules.169.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.169.createdAt","allModules.169.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.169.updatedAt","allModules.170.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.170.createdAt","allModules.170.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.170.updatedAt","allModules.171.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.171.createdAt","allModules.171.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.171.updatedAt","allModules.172.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.172.createdAt","allModules.172.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.172.updatedAt","allModules.173.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.173.createdAt","allModules.173.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.173.updatedAt","allModules.174.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.174.createdAt","allModules.174.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.174.updatedAt","allModules.175.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.175.createdAt","allModules.175.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.175.updatedAt","allModules.176.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.176.createdAt","allModules.176.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.176.updatedAt","allModules.177.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.177.createdAt","allModules.177.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.177.updatedAt","allModules.178.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.178.createdAt","allModules.178.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.178.updatedAt","allModules.179.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.179.createdAt","allModules.179.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.179.updatedAt","allModules.180.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.180.createdAt","allModules.180.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.180.updatedAt","allModules.181.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.181.createdAt","allModules.181.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.181.updatedAt","allModules.182.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.182.createdAt","allModules.182.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.182.updatedAt","allModules.183.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.183.createdAt","allModules.183.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.183.updatedAt","allModules.184.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.184.createdAt","allModules.184.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.184.updatedAt","allModules.185.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.185.createdAt","allModules.185.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.185.updatedAt","allModules.186.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.186.createdAt","allModules.186.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.186.updatedAt","allModules.187.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.187.createdAt","allModules.187.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.187.updatedAt","allModules.188.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.188.createdAt","allModules.188.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.188.updatedAt","allModules.189.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.189.createdAt","allModules.189.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.189.updatedAt","allModules.190.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.190.createdAt","allModules.190.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.190.updatedAt","allModules.191.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.191.createdAt","allModules.191.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.191.updatedAt","allModules.192.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.192.createdAt","allModules.192.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.192.updatedAt","allModules.193.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.193.createdAt","allModules.193.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.193.updatedAt","allModules.194.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.194.createdAt","allModules.194.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.194.updatedAt","allModules.195.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.195.createdAt","allModules.195.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.195.updatedAt","allModules.196.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.196.createdAt","allModules.196.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.196.updatedAt","allModules.197.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.197.createdAt","allModules.197.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.197.updatedAt","allModules.198.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.198.createdAt","allModules.198.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.198.updatedAt","allModules.199.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.199.createdAt","allModules.199.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.199.updatedAt","allModules.200.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.200.createdAt","allModules.200.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.200.updatedAt","allModules.201.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.201.createdAt","allModules.201.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.201.updatedAt","allModules.202.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.202.createdAt","allModules.202.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.202.updatedAt","allModules.203.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.203.createdAt","allModules.203.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.203.updatedAt","allModules.204.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.204.createdAt","allModules.204.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.204.updatedAt","allModules.205.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.205.createdAt","allModules.205.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.205.updatedAt","allModules.206.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.206.createdAt","allModules.206.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.206.updatedAt","allModules.207.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.207.createdAt","allModules.207.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.207.updatedAt","allModules.208.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.208.createdAt","allModules.208.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.208.updatedAt","allModules.209.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.209.createdAt","allModules.209.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.209.updatedAt","allModules.210.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.210.createdAt","allModules.210.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.210.updatedAt","allModules.211.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.211.createdAt","allModules.211.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.211.updatedAt","allModules.212.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.212.createdAt","allModules.212.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.212.updatedAt","allModules.213.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.213.createdAt","allModules.213.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.213.updatedAt","allModules.214.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.214.createdAt","allModules.214.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.214.updatedAt","allModules.215.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.215.createdAt","allModules.215.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.215.updatedAt","allModules.216.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.216.createdAt","allModules.216.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.216.updatedAt","allModules.217.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.217.createdAt","allModules.217.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.217.updatedAt","allModules.218.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.218.createdAt","allModules.218.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.218.updatedAt","allModules.219.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.219.createdAt","allModules.219.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.219.updatedAt","allModules.220.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.220.createdAt","allModules.220.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.220.updatedAt","allModules.221.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.221.createdAt","allModules.221.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.221.updatedAt","allModules.222.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.222.createdAt","allModules.222.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.222.updatedAt","allModules.223.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.223.createdAt","allModules.223.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.223.updatedAt","allModules.224.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.224.createdAt","allModules.224.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.224.updatedAt","allModules.225.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.225.createdAt","allModules.225.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.225.updatedAt","allModules.226.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.226.createdAt","allModules.226.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.226.updatedAt","allModules.227.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.227.createdAt","allModules.227.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.227.updatedAt","allModules.228.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.228.createdAt","allModules.228.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.228.updatedAt","allModules.229.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.229.createdAt","allModules.229.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.229.updatedAt","allModules.230.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.230.createdAt","allModules.230.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.230.updatedAt","allModules.231.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.231.createdAt","allModules.231.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.231.updatedAt","allModules.232.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.232.createdAt","allModules.232.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.232.updatedAt","allModules.233.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.233.createdAt","allModules.233.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.233.updatedAt","allModules.234.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.234.createdAt","allModules.234.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.234.updatedAt","allModules.235.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.235.createdAt","allModules.235.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.235.updatedAt"},"referentialEqualities":{"allModules":["path.modules"],"prevModule":["path.modules.94"],"currentModule":["path.modules.95"],"nextModule":["path.modules.96"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792286943096,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getModule"],{"input":{"pathSlug":"operating-systems","contentType":"LEARNING","contentSlug":"detection-and-recovery"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getModule\"],{\"input\":{\"contentSlug\":\"detection-and-recovery\",\"contentType\":\"LEARNING\",\"pathSlug\":\"operating-systems\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943365,"state":{"data":{"json":{"id":"seed_759694d96e44f2cad0c13b691ed19763","slug":"detection-and-recovery","category":"Operating Systems","topic":"Detection and Recovery","title":"Deadlock Detection and Recovery","description":"Master deadlock detection and recovery strategies in operating systems. Explore detection algorithms for single and multiple resource instances, understand when to invoke detection, learn recovery options including process termination and resource preemption, and discover how modern systems handle deadlock scenarios.","difficulty":"ADVANCED","estimatedMinutes":90,"pages":[{"id":"seed_555fcda612c772ecb414b07a021cf0e3","title":"Detection Algorithms","order":0,"content":[{"id":"opening-hook","title":"The Pragmatic Approach to Deadlock","content":[{"data":{"content":"$72"},"type":"text"},{"data":{"icon":"Target","title":"What You Will Learn","content":"By the end of this page, you will understand the fundamental philosophy behind deadlock detection, when detection is preferable to prevention or avoidance, the core algorithmic principles underlying all detection methods, and how detection algorithms traverse wait-for relationships to identify circular dependencies that indicate deadlock.","variant":"info"},"type":"callout"}]},{"id":"detection-vs-others","title":"Detection vs Prevention vs Avoidance","content":[{"data":{"content":"To appreciate why detection exists as a strategy, we must compare it against the alternatives. Each approach makes different trade-offs between resource utilization, system complexity, and overhead.\n\n**The Three Strategic Approaches:**"},"type":"text"},{"data":{"rows":[["Philosophy","Make deadlock structurally impossible","Dynamically refuse unsafe requests","Allow deadlock, detect and fix"],["When applied","System design time","Each resource request","Periodically or on demand"],["Resource utilization","Low (conservative)","Medium (constrained)","High (optimistic)"],["Concurrency","Limited","Constrained","Maximum"],["Overhead type","Structural constraints","Per-request computation","Periodic scanning"],["Knowledge required","Minimal","Maximum claims per process","Current allocation state"],["False positives","None (too strict)","None (too strict)","None (detects actual deadlock)"],["False negatives","None","None","Possible if invoked too rarely"],["Recovery cost","N/A (no deadlock)","N/A (no deadlock)","Process termination or preemption"]],"caption":"Comparison of Deadlock Handling Strategies","headers":["Aspect","Prevention","Avoidance","Detection + Recovery"]},"type":"table"},{"data":{"content":"$73"},"type":"text"},{"data":{"icon":"Lightbulb","title":"The Optimism Principle","content":"Detection embodies optimistic concurrency control: proceed as if everything will be fine, and correct problems only when they actually occur. This is fundamentally different from the pessimistic approach of prevention and avoidance, which assume the worst and constrain behavior proactively. Optimism wins when problems are rare; pessimism wins when problems are common.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":1},{"id":"core-detection-problem","title":"The Core Detection Problem","content":[{"data":{"content":"At its heart, deadlock detection answers a single question: **Are there processes that are waiting in a circular chain, where each process holds resources needed by the next process in the chain?**\n\nThis is fundamentally a **graph cycle detection problem**. We construct a representation of the wait-for relationships in the system and search for cycles.\n\n**The Wait-For Graph:**\n\nIn a wait-for graph, nodes represent processes, and a directed edge from process P_i to process P_j means \"P_i is waiting for a resource held by P_j.\" Deadlock exists if and only if this graph contains a cycle."},"type":"text"},{"data":{"code":"$74","fileName":"wait_for_graph_concept.py","showLineNumbers":true},"type":"code"},{"data":{"content":"**The Algorithm's Intuition:**\n\nThe DFS-based cycle detection works as follows:\n\n1. **Color scheme**: We mark each node as WHITE (unvisited), GRAY (currently in the exploration stack), or BLACK (fully explored and no cycle found through it).\n\n2. **Back edge detection**: If during DFS we encounter a GRAY node, we've found a back edge—an edge pointing back to an ancestor in our current exploration path. This definitively indicates a cycle.\n\n3. **Complete coverage**: We must start DFS from every WHITE node because the graph may be disconnected (multiple independent wait-for chains).\n\n**Complexity Analysis:**\n\nFor a system with *n* processes and *e* wait-for edges:\n- **Time complexity**: O(n + e) — standard DFS traversal\n- **Space complexity**: O(n) — for the color array and recursion stack\n\nThis is impressively efficient. Even with thousands of processes, detection takes microseconds to milliseconds."},"type":"text"},{"data":{"icon":"Info","title":"Single vs Multiple Instances","content":"The simple wait-for graph works perfectly when each resource type has exactly one instance. With multiple instances (e.g., three printers), the situation is more complex—a cycle in the wait-for graph is necessary but not sufficient for deadlock. We'll explore this distinction in subsequent pages.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":2},{"id":"building-wait-for-graph","title":"Building the Wait-For Graph","content":[{"data":{"content":"The detection algorithm needs accurate information about which processes are waiting for which others. This requires maintaining auxiliary data structures as the system runs.\n\n**Required Information:**\n\n1. **Allocation matrix**: For each process, which resources does it currently hold?\n2. **Request matrix**: For each process, which resources is it currently waiting for?\n3. **Available vector**: For each resource type, how many instances are unallocated?\n\nFrom this information, we can derive the wait-for relationships:\n\n> Process P_i waits for process P_j if P_i is requesting a resource R that P_j holds."},"type":"text"},{"data":{"code":"$75","fileName":"resource_tracking.c","showLineNumbers":true},"type":"code"},{"data":{"content":"**Maintaining Consistency:**\n\nThese data structures must be updated atomically with respect to the detection algorithm. If detection runs while allocations are mid-flight, it might see inconsistent state and produce incorrect results (either missing a real deadlock or reporting a phantom one).\n\nTypical approaches:\n\n1. **Lock the entire system**: Pause all allocation activity, run detection, then resume. Simple but blocks all processes.\n\n2. **Snapshot-based detection**: Take a consistent snapshot of the allocation state (using global synchronization), then run detection on the snapshot while the system continues running.\n\n3. **Event-driven detection**: Trigger detection when a request blocks rather than periodically. This catches deadlock immediately when it forms.\n\nThe choice depends on system requirements—latency sensitivity, detection frequency, number of processes."},"type":"text"},{"data":{"icon":"AlertCircle","title":"The Consistency Challenge","content":"Never underestimate the difficulty of getting consistent state in a concurrent system. If you read the allocation matrix row by row while processes are modifying it, you might see P1 as holding R1 (old state) and P2 as also holding R1 (new state)—physically impossible. Detection algorithms must work on consistent snapshots, or they become unreliable.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":3},{"id":"detection-algorithm-structure","title":"The Detection Algorithm Structure","content":[{"data":{"content":"All deadlock detection algorithms share a common structure. They simulate the system's ability to make progress given current resource allocation and requests. The key insight is:\n\n> If a process can complete its pending request using available resources, it will eventually finish and release all its resources.\n\nThis leads to the **reduction algorithm**:"},"type":"text"},{"data":{"code":"$76","fileName":"detection_reduction_algorithm.py","showLineNumbers":true},"type":"code"},{"data":{"content":"**Step-by-Step Execution:**\n\nLet's trace through the example:"},"type":"text"},{"data":{"rows":[["Initial","[0, 0, 0]","Start","Available = 0, all held by processes"],["1","[0, 0, 0]","Check P0: request=[0,0,0] ≤ work","P0 can finish! work += [0,1,0] → [0,1,0]"],["2","[0, 1, 0]","Check P1: request=[2,0,2] > work","Cannot satisfy"],["3","[0, 1, 0]","Check P2: request=[0,0,0] ≤ work","P2 can finish! work += [3,0,3] → [3,1,3]"],["Round 2","[3, 1, 3]","Check P1: request=[2,0,2] ≤ work","P1 can finish! work += [2,0,0] → [5,1,3]"],["4","[5, 1, 3]","Check P3: request=[1,0,0] ≤ work","P3 can finish! work += [2,1,1] → [7,2,4]"],["5","[7, 2, 4]","Check P4: request=[0,0,2] ≤ work","P4 can finish! work += [0,0,2] → [7,2,6]"],["End","[7, 2, 6]","All finished","**No deadlock**"]],"headers":["Step","Work Vector","Action","Result"]},"type":"table"},{"data":{"content":"The algorithm successfully simulated all processes completing. If any process could never complete (its request never satisfiable), it would remain in the deadlocked list."},"type":"text"},{"data":{"icon":"Lightbulb","title":"The Simulation Principle","content":"This algorithm doesn't actually run processes—it simulates what would happen if they could complete. By iteratively \"granting\" requests that are satisfiable and reclaiming resources, we discover whether the system can ever reach a state where everyone finishes. Processes left over are those trapped in circular wait.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":4},{"id":"complexity-optimization","title":"Complexity and Optimization","content":[{"data":{"content":"The reduction algorithm's complexity depends on how we implement it:\n\n**Naive Implementation:**\n- Outer loop: up to n iterations (one process finishes per iteration)\n- Inner loop: check all n processes\n- Request comparison: check m resource types\n- **Total: O(n² × m)**\n\n**Optimized Implementation:**\n\nWe can improve this significantly:"},"type":"text"},{"data":{"code":"$77","fileName":"optimized_detection.cpp","showLineNumbers":true},"type":"code"},{"data":{"content":"**Further Optimizations:**\n\n1. **Incremental detection**: Instead of re-running full detection, maintain the wait-for graph incrementally. When an edge is added (new request), check only if it creates a cycle involving that edge.\n\n2. **Demand-driven detection**: Run detection only when a request blocks. If no process is waiting, there can be no deadlock.\n\n3. **Hierarchical detection**: For distributed systems, detect locally within each node first, then across nodes only when local detection is insufficient.\n\n4. **Approximate detection**: Use sampling or probabilistic methods to detect *likely* deadlocks quickly, with full verification only when suspicion is raised.\n\n**Real-World Performance:**"},"type":"text"},{"data":{"rows":[["100","20","< 10 μs","~ 8 KB"],["1,000","50","~ 100 μs","~ 200 KB"],["10,000","100","~ 5 ms","~ 4 MB"],["100,000","200","~ 200 ms","~ 80 MB"]],"caption":"Detection Algorithm Performance (Modern Server, 8 Cores)","headers":["Processes","Resource Types","Detection Time","Memory"]},"type":"table"},{"data":{"icon":"Info","title":"Detection vs Throughput Trade-off","content":"More frequent detection catches deadlocks faster but consumes CPU cycles. Less frequent detection uses fewer resources but may leave processes deadlocked longer. Typical systems detect every few seconds to few minutes, or on-demand when a request has been blocked for an unusually long time.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":5},{"id":"when-to-invoke","title":"When to Invoke Detection","content":[{"data":{"content":"A critical design question is: **How often should we run the detection algorithm?** The answer depends on system characteristics and requirements."},"type":"text"},{"data":{"items":["**On every resource request** — Maximum responsiveness but highest overhead. Deadlock detected immediately when it forms. Only viable for systems with few requests or expensive deadlock consequences.","**Periodic timer** — Run every T seconds/minutes. Simple to implement. Deadlock latency bounded by T. Overhead is predictable and amortized across time.","**Event-triggered** — Run when a request has been blocked for longer than a threshold (e.g., 5 seconds). Combines low overhead with reasonable responsiveness. May miss deadlocks of short-lived processes.","**CPU utilization-triggered** — Run when CPU utilization drops significantly (deadlock causes idle CPUs). Low overhead, catches deadlock by its symptom. May have false positives from I/O-bound workloads.","**Hierarchical/adaptive** — Start with lightweight detection (e.g., wait-for graph cycle check), escalate to full matrix analysis only when needed. Best of both worlds but complex to implement."],"title":{"icon":"Target","text":"Detection Invocation Strategies","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"left":[{"data":{"items":["Catches deadlock quickly","Minimizes wasted work by deadlocked processes","Easier recovery (less state to rollback)","Better user experience (faster response)"],"title":{"icon":"CheckCircle","text":"Frequent Detection","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"}],"right":[{"data":{"items":["Lower overhead (less CPU for detection)","Batches multiple deadlocks into one check","Some deadlocks may resolve naturally","Simpler implementation and scheduling"],"title":{"icon":"XCircle","text":"Infrequent Detection","type":"icon","color":"destructive","variant":"outline-circle"},"variant":"accent"},"type":"list"}]},"type":"two-column"},{"data":{"content":"**Common Patterns in Real Systems:**"},"type":"text"},{"data":{"rows":[["Database (OLTP)","On every lock wait","Transactions are short; quick detection prevents cascading aborts"],["General-purpose OS","Periodic (30-60 sec)","Low overhead; users tolerate brief hangs"],["Real-time systems","On request or very frequent","Deadlines must be met; quick detection critical"],["Batch processing","CPU idle trigger","Long-running jobs; delay tolerance high"],["Distributed systems","Hierarchical","Local detection fast; global detection expensive"]],"headers":["System Type","Detection Strategy","Rationale"]},"type":"table"},{"data":{"icon":"AlertCircle","title":"The Visibility Problem","content":"A subtle issue: infrequent detection may never 'see' short-lived deadlocks. If process P deadlocks, waits 10 seconds, times out, and exits—but detection runs every 60 seconds—the deadlock is never detected. This is fine if the process handled the timeout gracefully, but problematic if it exited with corrupted state.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":6},{"id":"os-integration","title":"Integration with Operating Systems","content":[{"data":{"content":"Deadlock detection must be integrated with the OS resource management subsystem. This requires coordination with several kernel components."},"type":"text"},{"data":{"code":"$78","fileName":"kernel_detection_integration.c","showLineNumbers":true},"type":"code"},{"data":{"content":"**Key Integration Points:**\n\n1. **Resource Interface Hooks**: The kernel's resource allocation functions must call into the detection subsystem to record state changes.\n\n2. **Scheduler Integration**: When deadlock is detected, the scheduler may need to force-terminate or signal processes.\n\n3. **Process Accounting**: Terminating a process for recovery affects accounting (process exit status, resource limits, billing).\n\n4. **Logging and Alerting**: Detected deadlocks should be logged with enough detail to diagnose the cause (which processes, which resources, call stacks).\n\n5. **User Visibility**: System administrators may want to configure detection parameters, view deadlock history, or manually trigger detection."},"type":"text"},{"data":{"icon":"Lightbulb","title":"Kernel Lock Dependency Validator","content":"Linux has a sophisticated kernel-space deadlock detector called 'lockdep' (lock dependency validator). It doesn't detect actual deadlocks at runtime—it detects potential deadlock scenarios by tracking lock acquisition orders. If code ever acquires lock A then B, and elsewhere acquires B then A, lockdep reports a potential deadlock even before it happens. This is prevention via static analysis at runtime.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":7},{"id":"summary","title":"Summary: The Detection Paradigm","content":[{"data":{"content":"We've established the foundational understanding of deadlock detection algorithms—why they exist, how they work, and how they integrate with operating systems."},"type":"text"},{"data":{"type":"ordered","items":["**Detection is the reactive approach**: Instead of preventing or avoiding deadlock, we allow it to occur and then detect and fix it. This trades occasional recovery cost for higher resource utilization.","**Deadlock detection is cycle detection**: We model wait-for relationships as a graph and search for cycles. A cycle definitively indicates deadlock (for single-instance resources).","**The reduction algorithm simulates completion**: We iteratively find processes that can complete with available resources, release their resources, and repeat. Processes that can never complete are deadlocked.","**Complexity is manageable**: Detection is O(n² × m) in the worst case, but practical systems handle thousands of processes in milliseconds.","**Invocation strategy matters**: When and how often to detect is a crucial design decision balancing responsiveness against overhead.","**Integration requires care**: Detection must take consistent snapshots and coordinate with resource management, scheduling, and process accounting."],"title":{"icon":"CheckCircle","text":"Key Takeaways","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"content":"**What's Next:**\n\nThe next page focuses specifically on **single-instance detection**—the simpler case where each resource type has exactly one instance. We'll see how the wait-for graph directly represents deadlock, implement concrete cycle detection algorithms, and analyze real-world examples."},"type":"text"},{"data":{"icon":"CheckCircle","title":"Page Complete","content":"You now understand the fundamental philosophy and mechanics of deadlock detection. Detection is not a failure of system design—it's a pragmatic choice that maximizes concurrency by accepting occasional, recoverable deadlock. This reactive approach dominates in databases, general OSes, and any system where deadlock is rare but prevention is expensive.","variant":"success"},"type":"callout"}],"titleType":"number","titleNumber":8}],"isLocked":false},{"id":"seed_cc7a6639ffce638a6e1a7276ab97a09d","title":"Single Instance Detection","order":1,"content":null,"isLocked":true},{"id":"seed_fd2a64d9404290e2cfc18d7fdd79b9b6","title":"Multiple Instance Detection","order":2,"content":null,"isLocked":true},{"id":"seed_18de1786a80041ef6aaada33c9d19ed9","title":"Recovery Options","order":3,"content":null,"isLocked":true},{"id":"seed_d5d2f9776fc3aa085154b6e133de7c63","title":"Process Termination","order":4,"content":null,"isLocked":true},{"id":"seed_367b66e00f8a533d0f9ee79d6c6d15a0","title":"Resource Preemption","order":5,"content":null,"isLocked":true}]}},"dataUpdateCount":1,"dataUpdatedAt":1792286943256,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getModule"],{"input":{"slug":"detection-and-recovery"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getModule\"],{\"input\":{\"slug\":\"detection-and-recovery\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943366,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792286943257,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getProgress"],{"input":{"moduleId":"seed_759694d96e44f2cad0c13b691ed19763"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getProgress\"],{\"input\":{\"moduleId\":\"seed_759694d96e44f2cad0c13b691ed19763\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943366,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792286943257,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","get"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_18de1786a80041ef6aaada33c9d19ed9"},"type":"query"}],"queryHash":"[[\"feedback\",\"get\"],{\"input\":{\"contentId\":\"seed_18de1786a80041ef6aaada33c9d19ed9\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943366,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792286943257,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","getUserLike"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_18de1786a80041ef6aaada33c9d19ed9"},"type":"query"}],"queryHash":"[[\"feedback\",\"getUserLike\"],{\"input\":{\"contentId\":\"seed_18de1786a80041ef6aaada33c9d19ed9\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943366,"state":{"data":{"json":[]},"dataUpdateCount":1,"dataUpdatedAt":1792286943257,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["highlights","getHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_18de1786a80041ef6aaada33c9d19ed9"},"type":"query"}],"queryHash":"[[\"highlights\",\"getHighlights\"],{\"input\":{\"contentId\":\"seed_18de1786a80041ef6aaada33c9d19ed9\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792286943366,"state":{"data":"$undefined","dataUpdateCount":0,"dataUpdatedAt":0,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"pending","fetchStatus":"fetching"},"queryKey":[["highlights","getPopularHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_18de1786a80041ef6aaada33c9d19ed9","minCount":2},"type":"query"}],"queryHash":"[[\"highlights\",\"getPopularHighlights\"],{\"input\":{\"contentId\":\"seed_18de1786a80041ef6aaada33c9d19ed9\",\"contentType\":\"LEARNING_PAGE\",\"minCount\":2},\"type\":\"query\"}]","promise":"$@79"}]},"children":"$L7a"}]