Operating Systems

Overview

Welcome to the Operating Systems knowledge base. This hub organizes foundational computer systems concepts, architectural primitives, resource management algorithms, and hardware-software abstractions across five core domain modules alongside academic coursework.

Core Vault Modules

1. Kernel & Architecture

• Introduction to Operating Systems
• Dual-Mode Operation & Memory Protection
• Interrupts and Exceptions
• System Calls
• Submodules:
  • Process Subsystem
  • Thread Subsystem
  • CPU Scheduling

2. Concurrency & Synchronization

• Critical Sections & Mutual Exclusion
• Race Conditions & Shared State
• Submodules:
  • Synchronization Primitives
  • Synchronization Patterns
  • Deadlocks

3. Memory Management

• Demand Paging & Page Faults
• Translation Lookaside Buffer (TLB)
• Process Address Space Allocation (Stack & Heap)
• Submodules:
  • Virtual Memory
  • Paging Mechanisms
  • Page Replacement Policies

4. File System

• File Systems & Storage Technologies
• File System Layout

5. Storage & IO Systems

• Storage & Memory Technology Spectrum
• Hard Disk Drive Mechanics & Scheduling
• Solid State Drives & NAND Flash
• RAID Architectures