Operating system

Operating systems provide an interface between software applications and computer hardware, and consist of a kernel and any libraries required for applications to run. They follow three core principles: virtualisation, concurrency, and data persistence.

Sub-pages

• Kernel
  • Syscall
  • Scheduler
    • Round-robin scheduling
    • Fair scheduling
    • Multiprocessor scheduling
  • Interrupt
  • Virtual machine
• Driver
  • GPU driver
  • Kernel-mode driver
  • User-mode driver
• Virtualisation
  • Process
    • Inter-process communication
      • Pipes
      • Signals
      • Sockets
  • Virtual memory
    • Memory management unit
    • Segmentation
      • Segmentation fault
    • Page table
      • Translation lookaside buffer
      • Page replacement
• Concurrency
  • Race condition
  • Atomics
  • Thread and multithreading
    • Thread pool
  • Semaphore
  • Condition variable
• Filesystem
  • File descriptor
  • Persistent storage
    • RAID
• Popular operating systems
  • Windows
    • Windows filesystem
    • Windows drivers
  • Linux
    • Linux filesystem
    • Linux syscalls
  • Unix
    • macOS
    • BSD

Resources

• Operating Systems: Three Easy Pieces, by Remzi and Andrea Arpaci-Dusseau
• Lectures on Operating Systems, by Mythili Vutukuru at IIT Bombay
• OSDev.org

See also

• ECE344 — Operating Systems
• Systems software
  • Firmware
  • Distributed system
  • Compiler