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OPERATING SYSTEM ARCHITECTURE - Coggle Diagram

- - - - ➔ Direct link to: Basic Memory Spooling
    - - ➔ Direct link to: CPU Scheduling Functions
    - - ➔ Direct link to: Deterministic System Calls
    - - ➔ Direct link to: Networking & IPC Calls
  - - - ➔ [CROSS-LINK]: Direct & ultra-fast System Calls
      - ➔ Impacts: High access to all OS Functions
    - - ➔ [CROSS-LINK]: System Calls must traverse multiple layers
      - ➔ Impacts: Modular but slower debugging of OS Functions
    - - ➔ [CROSS-LINK]: Moves OS Functions to user space via IPC Calls
      - ➔ Impacts: High security but slow message-passing System Calls
    - - ➔ [CROSS-LINK]: System Calls adapt dynamically to loaded modules
  - - - ➔ Examples: fork(), exec(), exit()
      - ➔ Maps to function: Process Management
    - - ➔ Examples: open(), read(), ioctl()
      - ➔ Maps to function: Storage & I/O Management
    - - ➔ Examples: getpid(), time()
    - - ➔ Examples: pipe(), shmget()
      - ➔ Critical for: Microkernel Structures
  - - - ➔ Handles Scheduling, Creation, and Synchronization
    - - ➔ Allocates RAM via brk() and mmap() System Calls
    - - ➔ Controls directory structures and raw disk access
    - - ➔ Enforces Kernel/User mode separation during System Calls