Kernel, processes and threads

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Kernel, processes and threads

• Windows and Linux

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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.

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Kernel information
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Process and Thread

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

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Thread Scheduling
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Processes information
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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

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Linux Kernel Architecture
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Process and Thread Organization
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Process information