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Master Operating Systems with Adaptive AI.

Master Operating Systems across 12 topics - Foundations, Synchronization and Memory, and Storage and Advanced - guided by Leyaa's adaptive intelligence.

3Parts
12Topics
80Patterns
20hEst. duration
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Operating Systems
Operating Systems Course
3 - part learning journey
Beginner
Foundations
4 topics · 26 patterns
Beginner
Intermediate
Synchronization and Memory
4 topics · 27 patterns
Intermediate
Advanced
Storage and Advanced
4 topics · 27 patterns
Advanced
Begin Part 1: Foundations
✦ Course Structure

Your Operating Systems Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner
Beginner
Part 1: Foundations
Covers OS Fundamentals, Process Management, CPU Scheduling and 1 more topic.
4Topics
26Patterns
View topics
Intermediate
Intermediate
Part 2: Synchronization and Memory
Covers Process Synchronization, Deadlocks, Memory Management and 1 more topic.
4Topics
27Patterns
View topics
Advanced
Advanced
Part 3: Storage and Advanced
Covers File Systems, Disk Scheduling, I/O Management and 1 more topic.
4Topics
27Patterns
View topics
Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

Operating Systems

3 parts · 12 topics · 80 patterns
Beginner
Part 1: Foundations4 topics · 26 patterns
Beginner
01
OS Fundamentals
6 patterns
What is an operating system
Why OS manages hardware and software resources
OS types (batch, time-sharing, real-time, distributed)
Kernel vs user mode
System calls and their role
OS architecture (monolithic, microkernel, hybrid)
02
Process Management
7 patterns
What is a process
Process states (new, ready, running, waiting, terminated)
Process Control Block (PCB)
Context switching
Process creation (fork and exec)
Inter-process communication (pipes, shared memory)
Process vs thread
03
CPU Scheduling
7 patterns
Why scheduling determines system responsiveness
FCFS (First Come First Served)
SJF (Shortest Job First)
Round Robin scheduling
Priority scheduling
Multilevel queue scheduling
Scheduling criteria (turnaround time, waiting time, throughput)
04
Threads
6 patterns
Why threads enable concurrent execution
User-level vs kernel-level threads
Multithreading models (one-to-one, many-to-one, many-to-many)
Thread creation and management
Thread pools
Benefits and challenges of multithreading
Intermediate
Part 2: Synchronization and Memory4 topics · 27 patterns
Intermediate
01
Process Synchronization
7 patterns
Why synchronization prevents data corruption
Race condition problem
Critical section problem
Peterson's solution
Mutex locks
Semaphores (counting and binary)
Classic problems (producer-consumer, readers-writers, dining philosophers)
02
Deadlocks
6 patterns
Why deadlocks freeze system progress
Four conditions for deadlock
Resource allocation graph
Deadlock prevention strategies
Deadlock avoidance (Banker's algorithm)
Deadlock detection and recovery
03
Memory Management
7 patterns
Why memory management maximizes utilization
Contiguous allocation
Paging concept and page tables
Segmentation
Internal vs external fragmentation
Translation Lookaside Buffer (TLB)
Multi-level paging
04
Virtual Memory
7 patterns
Why virtual memory extends physical memory
Demand paging
Page fault handling
Page replacement algorithms (FIFO, LRU, Optimal)
Thrashing and working set model
Memory-mapped files
Copy-on-write technique
Advanced
Part 3: Storage and Advanced4 topics · 27 patterns
Advanced
01
File Systems
7 patterns
Why file systems organize persistent storage
File attributes and operations
Directory structure (single-level, two-level, tree, acyclic graph)
File allocation methods (contiguous, linked, indexed)
Free space management
Inode-based file systems (ext4)
Journaling file systems
02
Disk Scheduling
7 patterns
Why disk scheduling reduces seek time
FCFS disk scheduling
SSTF (Shortest Seek Time First)
SCAN (elevator algorithm)
C-SCAN (circular SCAN)
LOOK and C-LOOK variants
SSD considerations for scheduling
03
I/O Management
6 patterns
Why I/O management affects system performance
I/O hardware basics
Programmed I/O vs interrupt-driven I/O
DMA (Direct Memory Access)
I/O scheduling and buffering
Spooling concept
04
Protection and Security
7 patterns
Why OS security protects system integrity
Access control matrix
Access Control Lists (ACLs)
Capability-based security
User authentication mechanisms
Buffer overflow attacks
OS hardening and security best practices
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which of the 80 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Synchronization and Memory → Storage and Advanced - a structured journey where each part sets you up perfectly for the next.
Operating Systems

Ready to master Operating Systems?
Start your journey today

Start your diagnostic now. Build mastery across all 12 topics in under 15 minutes.

12 Topics
80 Patterns
Personalized roadmap
Leyaa Swift Bird