Download Linux Kernel Architecture

Kernel, processes and threads
Windows and Linux
Windows Architecture
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Operating system design
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Modified microkernel
Layered
Components
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HAL
 Interacts with hardware, drives device components on
mainboard
 Abstracts hardware specifics that differ between systems
of the same architecture
Microkernel
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Basic system mechanisms
Thread scheduling, interrupt dispatching, etc.
Kernel information
Process and Thread
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Process
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Execution context
Program code
Resources
Associated threads
Threads: units of execution
Process and threads are objects
Thread Scheduling
Processes information
Linux Architecture
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Monolithic kernel
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Contains modular components, however
UNIX-like or UNIX-based operating system
Six primary subsystems:
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Process management
Interprocess communication
Memory management
File system management
 VFS: provides a single interface to multiple file systems
I/O management
Networking
Linux Kernel Architecture
Process and Thread Organization
Process information