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Kernel, processes and threads

Kernel, processes and threads. Windows and Linux. Windows Architecture. Operating system design Modified microkernel Layered Components HAL Interacts with hardware, drives device components on mainboard Abstracts hardware specifics that differ between systems of the same architecture

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Kernel, processes and threads

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  1. Kernel, processes and threads Windows and Linux

  2. Windows Architecture • Operating system design • Modified microkernel • Layered • Components • HAL • Interacts with hardware, drives device components on mainboard • Abstracts hardware specifics that differ between systems of the same architecture • Microkernel • Basic system mechanisms • Thread scheduling, interrupt dispatching, etc.

  3. Kernel information

  4. Process and Thread • Process • Execution context • Program code • Resources • Associated threads • Threads: units of execution • Process and threads are objects

  5. Thread Scheduling

  6. Processes information

  7. Linux Architecture • Monolithic kernel • Contains modular components, however • UNIX-like or UNIX-based operating system • Six primary subsystems: • Process management • Interprocess communication • Memory management • File system management • VFS: provides a single interface to multiple file systems • I/O management • Networking

  8. Linux Kernel Architecture

  9. Process and Thread Organization

  10. Process information

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