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:T453,The most efficient and widely-used implementation of a bounded buffer is the **ring buffer** (also called a **circular buffer** or **cyclic buffer**). The ring buffer uses a fixed-size array and two pointers to achieve O(1) insertion and removal without shifting elements. **Core Components of a Ring Buffer:** 1. **Buffer Array:** A contiguous block of memory holding N items. This array never grows or shrinks. 2. **Head Pointer (write index):** Points to the next position where a producer will insert an item. 3. **Tail Pointer (read index):** Points to the next position where a consumer will remove an item. 4. **Count (or Full/Empty Flags):** Tracks how many items are currently in the buffer. This distinguishes between "buffer full" and "buffer empty" states when head equals tail. **The Circular Trick:** When either pointer reaches the end of the array, it wraps around to the beginning using modular arithmetic: `pointer = (pointer + 1) % N`. This "wrapping" is why it's called a ring or circular buffer—conceptually, the array forms a ring where position N-1 is followed by position 0.73:T672,// Ring Buffer Structure for Producer-Consumer Problem // This is the fundamental data structure underlying all solutions #define BUFFER_SIZE 10 // Fixed capacity N typedef struct { int buffer[BUFFER_SIZE]; // Fixed-size array int head; // Write position (producer inserts here) int tail; // Read position (consumer removes here) int count; // Number of items currently in buffer } RingBuffer; // Initialize the ring buffer (called once at startup) void buffer_init(RingBuffer* rb) { rb->head = 0; // First write will go to position 0 rb->tail = 0; // First read will come from position 0 rb->count = 0; // Buffer starts empty } // Insert an item (producer operation) // PRECONDITION: buffer is not full (count < BUFFER_SIZE) void buffer_insert(RingBuffer* rb, int item) { rb->buffer[rb->head] = item; // Write to head position rb->head = (rb->head + 1) % BUFFER_SIZE; // Advance head, wrap around rb->count++; // One more item in buffer } // Remove an item (consumer operation) // PRECONDITION: buffer is not empty (count > 0) int buffer_remove(RingBuffer* rb) { int item = rb->buffer[rb->tail]; // Read from tail position rb->tail = (rb->tail + 1) % BUFFER_SIZE; // Advance tail, wrap around rb->count--; // One fewer item in buffer return item; } // Query functions int buffer_is_full(RingBuffer* rb) { return rb->count == BUFFER_SIZE; } int buffer_is_empty(RingBuffer* rb) { return rb->count == 0; } int buffer_size(RingBuffer* rb) { return rb->count; }74:T43b,**Problem 3: Producer-Consumer Race on EMPTY/FULL Conditions** Consider a consumer attempting to read while a producer is inserting when count=0: ``` Time Consumer Producer ---- -------- -------- t1 read count (value: 0) t2 count > 0? NO → want to block t3 buffer[0] = item t4 count++ (now 1) t5 (but consumer is blocking even though buffer now has an item!) ``` The consumer decided to block based on stale information. By the time it acts, the buffer is no longer empty—but the consumer doesn't know. This can lead to deadlock or missed items. The inverse problem occurs with a producer checking for full: ``` Time Producer Consumer ---- -------- -------- t1 read count (value: N) t2 count == N? YES → want to block t3 remove item t4 count-- (now N-1) t5 (but producer is blocking even though buffer now has space!) ```75:T544,Choosing the right buffer size N is a critical design decision that affects performance, latency, and resource usage. There is no universally "correct" size—the optimal N depends on the characteristics of producers, consumers, and their environment. **Factors Influencing Buffer Size:** **1. Rate Variability (Burstiness)** If producers operate in bursts—producing many items rapidly, then going idle—a larger buffer absorbs these bursts without blocking. Conversely, if production is steady, a smaller buffer suffices. **2. Processing Time Variability** If consumer processing time varies significantly (some items take milliseconds, others take seconds), a larger buffer prevents producers from blocking on slow items. **3. Latency Requirements** Larger buffers increase end-to-end latency. An item may wait in a nearly-full buffer while older items are processed. For real-time systems, smaller buffers ensure fresher data. **4. Memory Constraints** Each buffered item consumes memory. For large items (video frames, database records), even modest N values consume significant memory. **5. Backpressure Sensitivity** Smaller buffers apply backpressure sooner, slowing producers quickly when consumers lag. This can be desirable (preventing runaway resource consumption) or problematic (producer stalls in time-critical applications).76:T5b3,The bounded buffer pattern appears throughout modern systems, from kernel subsystems to application frameworks. Understanding these real-world instances reinforces the pattern's importance. **1. Operating System Pipe Buffers** Unix pipes (`|`) connect process output to process input using bounded buffers. The Linux kernel's pipe buffer size is 65,536 bytes by default. When full, the writing process blocks. When empty, the reading process blocks. The `pipe2()` system call creates these kernel-managed bounded buffers. **2. Network Socket Buffers** TCP/UDP sockets have send and receive buffers. The send buffer holds outgoing data until acknowledged (TCP) or transmitted (UDP). The receive buffer holds incoming data until the application reads it. These are bounded buffers managed by the kernel—sizes are configurable via `SO_SNDBUF` and `SO_RCVBUF` socket options. **3. Device Driver Buffers** Keyboard, mouse, and disk drivers use bounded buffers. Keystroke events are queued in a ring buffer; if you type faster than the application processes, the buffer fills and keystrokes are dropped (you may hear a beep). Disk I/O requests queue in bounded buffers, with the block layer managing scheduling. **4. Message Queues (IPC)** POSIX message queues (`mq_open`, `mq_send`, `mq_receive`) provide bounded buffer semantics for inter-process communication. The queue has a maximum message count and maximum message size, both specified at creation.77:T429,// Example 1: POSIX Message Queue (bounded buffer) #include // Create a bounded message queue struct mq_attr attr = { .mq_maxmsg = 10, // Maximum 10 messages (N = 10) .mq_msgsize = 256 // Each message up to 256 bytes }; mqd_t mq = mq_open("/myqueue", O_CREAT | O_RDWR, 0644, &attr); // Producer: blocks when queue is full mq_send(mq, message, strlen(message), 0); // Consumer: blocks when queue is empty mq_receive(mq, buffer, sizeof(buffer), NULL); // Example 2: Linux Kernel Ring Buffer (kfifo) #include // Declare a bounded buffer of 1024 bytes DEFINE_KFIFO(my_fifo, unsigned char, 1024); // Producer: writes data (may drop if full) kfifo_in(&my_fifo, data, len); // Consumer: reads data (may block or return 0) int read = kfifo_out(&my_fifo, buf, sizeof(buf)); // Example 3: Go Channel (bounded buffer) // Create buffered channel with capacity 100 messages := make(chan Message, 100) // Producer: blocks when channel is full messages <- newMessage // Consumer: blocks when channel is empty msg := <-messages46:["$","$L71",null,{"owner":"anonymous","state":{"mutations":[],"queries":[{"dehydratedAt":1792282149827,"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":1792282149435,"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":1792282149835,"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:82","prevModule":"$46:props:state:queries:1:state:data:json:path:modules:81","nextModule":"$46:props:state:queries:1:state:data:json:path:modules:83","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.82.createdAt","currentModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.82.updatedAt","prevModule.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.81.createdAt","prevModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.81.updatedAt","nextModule.createdAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.83.createdAt","nextModule.updatedAt":"$46:props:state:queries:1:state:data:meta:values:path.modules.83.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.81"],"currentModule":["path.modules.82"],"nextModule":["path.modules.83"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792282149614,"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":"producer-consumer-problem"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getModule\"],{\"input\":{\"contentSlug\":\"producer-consumer-problem\",\"contentType\":\"LEARNING\",\"pathSlug\":\"operating-systems\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"state":{"data":{"json":{"id":"seed_28f7479421d00ec9fa0e7240957caa6a","slug":"producer-consumer-problem","category":"Operating Systems","topic":"Producer-Consumer Problem","title":"The Producer-Consumer Problem","description":"Master the classic Producer-Consumer synchronization problem—a fundamental pattern in concurrent systems. Explore bounded buffers, producer and consumer logic, semaphore-based solutions, and rigorous correctness analysis used in real-world operating systems and applications.","difficulty":"INTERMEDIATE","estimatedMinutes":75,"pages":[{"id":"seed_515d6393e36506c55c38b6bb71982759","title":"Bounded Buffer: The Foundation of Producer-Consumer","order":0,"content":[{"id":"opening-context","title":"The Universal Pattern of Production and Consumption","content":[{"data":{"content":"Virtually every non-trivial software system involves the **production** and **consumption** of data. A web server receives HTTP requests (production) and worker threads process them (consumption). A video encoder produces compressed frames that a file writer consumes. A logging framework produces log entries that asynchronous writers consume. A message queue receives events from publishers (producers) and delivers them to subscribers (consumers).\n\nAt the heart of all these scenarios lies a fundamental question: **How do we safely share data between concurrent entities that produce and consume at different rates?**\n\nThis question leads us to one of the most important classical problems in concurrent computing: the **Producer-Consumer Problem**, first formalized by Edsger Dijkstra in 1965. Before we can solve this problem, we must understand the data structure at its core: the **bounded buffer**."},"type":"text"},{"data":{"icon":"Target","title":"What You Will Learn","content":"By the end of this page, you will understand what a bounded buffer is, why unbounded buffers are impractical, how ring buffers implement bounded buffers efficiently, and why concurrent access to shared buffers requires synchronization. You'll see exactly how race conditions arise in buffer operations, setting the stage for the semaphore-based solutions we'll develop in subsequent pages.","variant":"info"},"type":"callout"}]},{"id":"what-is-bounded-buffer","title":"What is a Bounded Buffer?","content":[{"data":{"content":"A **bounded buffer** (also called a **bounded queue** or **circular buffer**) is a fixed-size storage area that mediates between producers and consumers of data. Unlike an unbounded data structure that can grow indefinitely, a bounded buffer has a strict capacity limit—it can hold at most **N** items at any given time.\n\n**The Three Key Properties of a Bounded Buffer:**\n\n1. **Fixed Capacity (N):** The buffer can hold exactly N items. No more, no less. This is the \"bounded\" part.\n\n2. **FIFO Ordering:** Items are removed in the order they were inserted. The first item produced is the first item consumed.\n\n3. **Blocking Semantics:** When full, producers must wait. When empty, consumers must wait. The buffer enforces flow control between asymmetrically-paced producers and consumers."},"type":"text"},{"data":{"icon":"Info","title":"Why Not Unbounded Buffers?","content":"One might ask: why not use an unbounded buffer that grows as needed? The answer is resource exhaustion. If producers consistently outpace consumers, an unbounded buffer would consume memory without limit, eventually crashing the system. Bounded buffers provide backpressure—they force producers to slow down when consumers can't keep up, preventing resource exhaustion and maintaining system stability.","variant":"note"},"type":"callout"},{"data":{"content":"**A Real-World Analogy: The Assembly Line**\n\nConsider a car assembly line. Workers at station A attach car doors (producers). Workers at station B install windows on completed car frames (consumers). Between them is a conveyor belt that holds exactly 10 car frames (the bounded buffer).\n\n- If Station A works faster than Station B, the conveyor fills up. Station A workers must wait until space becomes available.\n- If Station B works faster than Station A, the conveyor empties. Station B workers must wait until frames arrive.\n- The conveyor's fixed size (10 frames) prevents the factory floor from being overwhelmed with car frames if Station B breaks down.\n\nThis physical constraint—the finite conveyor capacity—is exactly what a bounded buffer models in software. The buffer's size N determines how much \"cushion\" exists between producers and consumers, absorbing temporary rate mismatches while preventing unbounded resource consumption."},"type":"text"},{"data":{"rows":[["Capacity","Fixed at N items","Unlimited (grows as needed)"],["Memory usage","Predictable, constant O(N)","Unpredictable, can exhaust memory"],["Producer blocking","Blocks when full","Never blocks"],["Consumer blocking","Blocks when empty","Blocks when empty"],["Backpressure","Natural flow control","None—can overwhelm system"],["Implementation","Ring/circular buffer","Dynamic array or linked list"],["Use cases","Production systems, OS kernels","Unbounded queues (rare in practice)"]],"caption":"Bounded vs Unbounded Buffer Comparison","headers":["Property","Bounded Buffer","Unbounded Buffer"]},"type":"table"}],"titleType":"number","titleNumber":1},{"id":"ring-buffer-structure","title":"The Ring Buffer Data Structure","content":[{"data":{"content":"$72"},"type":"text"},{"data":{"code":"$73","fileName":"ring_buffer.h","showLineNumbers":true},"type":"code"},{"data":{"content":"**Visualizing the Ring Buffer:**\n\nImagine a clock face with N positions (0 through N-1). The head pointer indicates where the next item will be placed (like the minute hand). The tail pointer indicates where the next item will be removed (like the hour hand). As items are inserted, the head advances clockwise. As items are removed, the tail advances clockwise, \"chasing\" the head.\n\n- **Empty state:** head == tail, count == 0\n- **Full state:** head == tail, count == N (or head is one position behind tail after wrap)\n- **Partial state:** tail \"chases\" head around the ring\n\nThe count variable (or alternatively, keeping one slot always empty) disambiguates the full vs empty cases when head equals tail."},"type":"text"},{"data":{"icon":"Lightbulb","title":"Why Ring Buffers Are Optimal","content":"Ring buffers achieve O(1) time complexity for both insertion and removal without any memory allocation or element shifting. This makes them ideal for high-performance scenarios like network packet buffers, audio processing, and inter-process communication. The fixed memory footprint also means no garbage collection pressure in managed languages.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":2},{"id":"buffer-state-transitions","title":"Buffer State Transitions","content":[{"data":{"content":"Understanding the state machine of a bounded buffer is essential for reasoning about correctness. The buffer exists in one of three states based on its occupancy level:\n\n**State 1: EMPTY (count = 0)**\n- The buffer contains no items\n- Consumers cannot proceed—they must wait\n- Producers can proceed—there's room for at least one item\n- After one insertion: transitions to PARTIAL\n\n**State 2: PARTIAL (0 < count < N)**\n- The buffer contains some items but is neither empty nor full\n- Both producers and consumers can proceed\n- After insertion: stays PARTIAL or becomes FULL\n- After removal: stays PARTIAL or becomes EMPTY\n\n**State 3: FULL (count = N)**\n- The buffer is at capacity\n- Producers cannot proceed—they must wait\n- Consumers can proceed—there's at least one item\n- After one removal: transitions to PARTIAL"},"type":"text"},{"data":{"height":"400px","mermaidSyntax":"stateDiagram-v2\n [*] --> EMPTY: Initialize\n EMPTY --> PARTIAL: produce (count: 0→1)\n PARTIAL --> EMPTY: consume (count: 1→0)\n PARTIAL --> PARTIAL: produce or consume (0 FULL: produce (count: N-1→N)\n FULL --> PARTIAL: consume (count: N→N-1)\n \n note right of EMPTY: Consumers blocked\nProducers proceed\n note right of PARTIAL: Both can proceed\n note right of FULL: Producers blocked\nConsumers proceed"},"type":"mermaid-excalidraw"},{"data":{"content":"**The Critical Invariants:**\n\nFor a correct bounded buffer implementation, these invariants must always hold:\n\n1. **Capacity Invariant:** 0 ≤ count ≤ N at all times\n2. **Order Invariant:** Items are dequeued in FIFO order\n3. **Safety Invariant:** No item is lost or duplicated\n4. **Progress Invariant:** If both producers and consumers are waiting, either:\n - A producer eventually produces (if count < N), OR\n - A consumer eventually consumes (if count > 0)\n\nIn a single-threaded program, these invariants are trivially maintained by the ring buffer implementation. The challenge—and the entire point of the Producer-Consumer Problem—is maintaining these invariants when **multiple threads** access the buffer **concurrently**."},"type":"text"},{"data":{"icon":"AlertCircle","title":"The Concurrency Crisis","content":"The simple ring buffer code we showed earlier is NOT thread-safe. When multiple producers and consumers access the buffer simultaneously, race conditions corrupt the buffer state, violating all four invariants. This is precisely why we need synchronization primitives like semaphores—the subject of the coming pages.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":3},{"id":"concurrent-access-problems","title":"Why Concurrent Access Breaks the Buffer","content":[{"data":{"content":"Let's examine exactly how concurrent access corrupts a naive bounded buffer implementation. This analysis motivates the synchronization mechanisms we'll develop.\n\n**Problem 1: Race Condition on `count`**\n\nConsider two producers inserting items simultaneously:\n\n```\nTime Producer A Producer B\n---- ---------- ---------- \nt1 read count (value: 5) \nt2 read count (value: 5)\nt3 count++ (writes 6) \nt4 count++ (writes 6) ← WRONG!\n```\n\nBoth producers read count=5, both increment to 6, and both write 6 back. But two items were inserted—count should be 7! We've lost track of an item. This is a classic **lost update** race condition."},"type":"text"},{"data":{"content":"**Problem 2: Race Condition on `head` (Write Position)**\n\nEven worse, consider two producers racing to insert at the same position:\n\n```\nTime Producer A Producer B\n---- ---------- ----------\nt1 read head (value: 3)\nt2 read head (value: 3)\nt3 buffer[3] = 'A'\nt4 buffer[3] = 'B' ← OVERWRITES 'A'!\nt5 head = (3+1) % N = 4\nt6 head = (3+1) % N = 4 ← SAME POSITION!\n```\n\nBoth producers insert at position 3, so Producer A's item is overwritten by Producer B's item. Item 'A' is lost forever, and the buffer now has a \"gap\" since position 4 was skipped. This violates both the safety invariant (item lost) and the order invariant (FIFO broken)."},"type":"text"},{"data":{"content":"$74"},"type":"text"},{"data":{"icon":"AlertCircle","title":"The Fundamental Problem","content":"These races occur because the check (is buffer full/empty?) and the action (insert/remove) are not atomic. Between checking and acting, another thread can change the state, invalidating our decision. This is the Time-of-Check to Time-of-Use (TOCTOU) problem. Semaphores solve this by making check-and-act atomic.","variant":"error"},"type":"callout"}],"titleType":"number","titleNumber":4},{"id":"synchronization-requirements","title":"The Two Synchronization Requirements","content":[{"data":{"content":"From the race conditions we've identified, two distinct synchronization requirements emerge. A correct Producer-Consumer solution must address both:\n\n**Requirement 1: Mutual Exclusion on Buffer Access**\n\nThe buffer's internal state (head, tail, count, and the array contents) must be modified atomically. Only one thread at a time can be inside the \"critical section\" that modifies buffer state. This prevents the lost update and overwrite races we saw.\n\n- Producers must not collide with other producers\n- Consumers must not collide with other consumers \n- Producers must not collide with consumers (reading half-written data)\n\n**Requirement 2: Condition Synchronization (Blocking)**\n\nThreads must wait for buffer conditions to become favorable:\n\n- Producers must wait (block) when the buffer is full\n- Consumers must wait (block) when the buffer is empty\n- When conditions change, waiting threads must be woken up"},"type":"text"},{"data":{"left":[{"data":{"items":["Prevents data corruption","Protects buffer invariants","One thread modifies at a time","Solved with: mutex, binary semaphore","Scope: the critical section"],"title":{"icon":"Target","text":"Mutual Exclusion","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"}],"right":[{"data":{"items":["Prevents busy-waiting","Blocks on empty/full conditions","Wake threads when conditions change","Solved with: counting semaphores","Scope: buffer fullness/emptiness"],"title":{"icon":"Target","text":"Condition Synchronization","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"}]},"type":"two-column"},{"data":{"content":"**The Elegance of Semaphores:**\n\nWhat makes semaphores particularly well-suited for the Producer-Consumer Problem is that they address both requirements with the same primitive:\n\n1. A **binary semaphore** (or mutex) provides mutual exclusion for the critical section\n\n2. **Counting semaphores** track the number of full slots and empty slots:\n - `empty`: initialized to N, tracks available space for producers\n - `full`: initialized to 0, tracks available items for consumers\n\nThe wait (P) operation atomically decrements and blocks if the count would go negative. The signal (V) operation atomically increments and wakes waiting threads. This atomic check-and-modify eliminates the TOCTOU races.\n\nWe will develop this semaphore-based solution fully in the upcoming pages. But first, we need to understand the producer and consumer algorithms in detail."},"type":"text"},{"data":{"icon":"Lightbulb","title":"Why Two Semaphores for Counting?","content":"A single count variable could track buffer occupancy, but would require polling or condition variables for blocking. Using two counting semaphores (empty and full) is elegant because: (1) producers directly wait on 'empty' slots, (2) consumers directly wait on 'full' slots, and (3) each naturally wakes the other—producers increment 'full' after inserting, consumers increment 'empty' after removing.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":5},{"id":"buffer-size-considerations","title":"Buffer Size Considerations","content":[{"data":{"content":"$75"},"type":"text"},{"data":{"rows":[["Small (1-10)","Low latency, minimal memory, fast backpressure","Frequent blocking, poor burst absorption"],["Medium (10-100)","Balanced throughput/latency, moderate burst handling","May still block on heavy bursts"],["Large (100-1000+)","Excellent burst absorption, high throughput","High latency, significant memory, delayed backpressure"]],"caption":"Buffer Size Tradeoffs","headers":["Buffer Size","Advantages","Disadvantages"]},"type":"table"},{"data":{"content":"**Little's Law Application:**\n\nLittle's Law from queueing theory relates buffer occupancy to throughput and latency:\n\n**L = λ × W**\n\nWhere:\n- L = average number of items in buffer\n- λ = arrival rate (items/second)\n- W = average time an item spends in buffer\n\nIf producers generate 1000 items/second and consumers take 10ms/item, then:\n- W = 10ms = 0.01 seconds\n- L = 1000 × 0.01 = 10 items on average\n\nA buffer size N = 20-30 would provide headroom for variability. If production bursts to 2000 items/second temporarily, L doubles to 20—still within capacity.\n\nThis queuing-theoretic analysis helps size buffers based on empirical or expected workload characteristics."},"type":"text"},{"data":{"icon":"Info","title":"Practical Guidelines","content":"In practice: (1) Start with N = 2 × (producer rate × consumer latency), (2) Monitor buffer occupancy in production, (3) If buffer is consistently near-full, consumers are bottlenecked—optimize them before increasing N, (4) If buffer is consistently near-empty, N can be reduced to save memory, (5) For real-time systems, prefer smaller N with faster consumers.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":6},{"id":"real-world-buffers","title":"Bounded Buffers in Real Systems","content":[{"data":{"content":"$76"},"type":"text"},{"data":{"code":"$77","fileName":"examples.c","showLineNumbers":true},"type":"code"},{"data":{"content":"**5. Application-Level Patterns**\n\n- **Thread Pool Work Queues:** Web servers enqueue incoming requests in a bounded buffer. Worker threads dequeue and process requests. If the queue fills, the server rejects new connections (backpressure).\n\n- **Logging Frameworks:** Asynchronous loggers buffer log entries before writing to disk. Bounded buffers prevent memory exhaustion when log volume spikes.\n\n- **Actor Model Mailboxes:** In Erlang, Akka, and similar frameworks, each actor has a mailbox (bounded or unbounded) for incoming messages. Bounded mailboxes apply backpressure to senders.\n\n- **Kafka Partitions:** While logically unbounded, Kafka partitions have retention limits and consumer lag monitoring—effectively bounded buffer semantics with different enforcement.\n\nThe pattern is universal because the problem is universal: coordinating entities that produce and consume data at different rates."},"type":"text"}],"titleType":"number","titleNumber":7},{"id":"summary","title":"Summary: The Bounded Buffer Foundation","content":[{"data":{"content":"We have established the foundational concepts necessary to tackle the Producer-Consumer Problem. Let's consolidate what we've learned:"},"type":"text"},{"data":{"type":"ordered","items":["**Bounded buffers** are fixed-size FIFO queues that mediate between producers and consumers, providing natural backpressure and preventing resource exhaustion.","**Ring buffers** implement bounded buffers efficiently using a fixed array with head/tail pointers and modular arithmetic, achieving O(1) operations.","**Buffer state** transitions between EMPTY, PARTIAL, and FULL, with producers blocking on FULL and consumers blocking on EMPTY.","**Concurrent access** to shared buffers causes race conditions: lost updates, data corruption, and TOCTOU violations.","**Two synchronization requirements** must be met: mutual exclusion (protect critical section) and condition synchronization (block on empty/full).","**Buffer sizing** involves tradeoffs between throughput, latency, memory, and backpressure sensitivity—guided by workload characteristics and Little's Law.","**Bounded buffers are ubiquitous** in real systems: pipes, sockets, device drivers, message queues, and application frameworks."],"title":{"icon":"CheckCircle","text":"Key Takeaways","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"content":"**What's Next:**\n\nWith the bounded buffer structure understood, we're ready to examine the producer and consumer algorithms in detail. The next two pages will:\n\n1. **Page 2: Producer Logic** — Define the producer's algorithm, its preconditions, postconditions, and the synchronization requirements from the producer's perspective.\n\n2. **Page 3: Consumer Logic** — Define the consumer's algorithm symmetrically, showing how it mirrors and complements the producer.\n\nAfter understanding both roles, we'll synthesize them into a complete, correct, semaphore-based solution in Page 4, then prove its correctness in Page 5."},"type":"text"},{"data":{"icon":"CheckCircle","title":"Page Complete","content":"You now understand the bounded buffer—the data structure at the heart of the Producer-Consumer Problem. You've seen why naive concurrent access fails and what synchronization requirements must be met. Next, we'll examine the producer's role in detail, preparing for the semaphore-based solution.","variant":"success"},"type":"callout"}],"titleType":"number","titleNumber":8}],"isLocked":false},{"id":"seed_9d6436ccf776a5fb90ccd273c4973057","title":"Producer Logic: Generating Data for the Buffer","order":1,"content":null,"isLocked":true},{"id":"seed_e226266e469e706cc70dd6cf451b44b0","title":"Consumer Logic: Processing Data from the Buffer","order":2,"content":null,"isLocked":true},{"id":"seed_cc33d91bf3500f0243a42d9af22d7e7a","title":"Semaphore Solution: The Complete Implementation","order":3,"content":null,"isLocked":true},{"id":"seed_dccdd7ea31b80542dbf2a75f2d58fdb9","title":"Correctness Analysis: Proving the Solution Works","order":4,"content":null,"isLocked":true}]}},"dataUpdateCount":1,"dataUpdatedAt":1792282149723,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getModule"],{"input":{"slug":"producer-consumer-problem"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getModule\"],{\"input\":{\"slug\":\"producer-consumer-problem\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792282149724,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getProgress"],{"input":{"moduleId":"seed_28f7479421d00ec9fa0e7240957caa6a"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getProgress\"],{\"input\":{\"moduleId\":\"seed_28f7479421d00ec9fa0e7240957caa6a\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792282149724,"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_9d6436ccf776a5fb90ccd273c4973057"},"type":"query"}],"queryHash":"[[\"feedback\",\"get\"],{\"input\":{\"contentId\":\"seed_9d6436ccf776a5fb90ccd273c4973057\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792282149724,"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_9d6436ccf776a5fb90ccd273c4973057"},"type":"query"}],"queryHash":"[[\"feedback\",\"getUserLike\"],{\"input\":{\"contentId\":\"seed_9d6436ccf776a5fb90ccd273c4973057\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"state":{"data":{"json":[]},"dataUpdateCount":1,"dataUpdatedAt":1792282149724,"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_9d6436ccf776a5fb90ccd273c4973057"},"type":"query"}],"queryHash":"[[\"highlights\",\"getHighlights\"],{\"input\":{\"contentId\":\"seed_9d6436ccf776a5fb90ccd273c4973057\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792282149842,"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_9d6436ccf776a5fb90ccd273c4973057","minCount":2},"type":"query"}],"queryHash":"[[\"highlights\",\"getPopularHighlights\"],{\"input\":{\"contentId\":\"seed_9d6436ccf776a5fb90ccd273c4973057\",\"contentType\":\"LEARNING_PAGE\",\"minCount\":2},\"type\":\"query\"}]","promise":"$@78"}]},"children":"$L79"}]