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Chapter 21 - The Linux System

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Wayne Jones Jnr
Wayne Jones Jnr

Linux is an open-source operating system based on UNIX with a modular kernel. It uses processes, memory management and file systems similar to UNIX. The Linux kernel supports features like symmetric multiprocessing, virtual memory and loading of kernel modules. Popular Linux distributions package and distribute the Linux system along with utilities and applications.

Technologie
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Chapter 21: The Linux System
Chapter 21: The Linux System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Objectives ,[object Object],[object Object],[object Object],[object Object]
History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Linux Kernel ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Linux 2.0 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Linux System ,[object Object],[object Object],[object Object],[object Object]
Linux Distributions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Linux Licensing ,[object Object],[object Object]
Design Principles ,[object Object],[object Object],[object Object],[object Object],[object Object]
Components of a Linux System
Components of a Linux System (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Components of a Linux System (Cont.) ,[object Object],[object Object]
Kernel Modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Module Management ,[object Object],[object Object],[object Object],[object Object],[object Object]
Driver Registration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conflict Resolution ,[object Object],[object Object],[object Object],[object Object],[object Object]
Process Management ,[object Object],[object Object],[object Object],[object Object],[object Object]
Process Identity ,[object Object],[object Object],[object Object],[object Object]
Process Environment ,[object Object],[object Object],[object Object],[object Object],[object Object]
Process Context ,[object Object],[object Object],[object Object],[object Object],[object Object]
Process Context (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Processes and Threads ,[object Object],[object Object],[object Object],[object Object],[object Object]
Scheduling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relationship Between Priorities and Time-slice Length
List of Tasks Indexed by Priority
Kernel Synchronization ,[object Object],[object Object],[object Object],[object Object]
Kernel Synchronization (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Kernel Synchronization (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Interrupt Protection Levels ,[object Object],[object Object]
Process Scheduling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Process Scheduling (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Symmetric Multiprocessing ,[object Object],[object Object]
Memory Management ,[object Object],[object Object],[object Object]
Relationship of Zones and Physical Addresses on 80x86
Splitting of Memory in a Buddy Heap
Managing Physical Memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
21.07
Virtual Memory ,[object Object],[object Object],[object Object],[object Object],[object Object]
Virtual Memory (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Virtual Memory (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Virtual Memory (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Virtual Memory (Cont.) ,[object Object],[object Object],[object Object],[object Object]
Executing and Loading User Programs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Memory Layout for ELF Programs
Static and Dynamic Linking ,[object Object],[object Object],[object Object]
File Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Linux Ext2fs File System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ext2fs Block-Allocation Policies
The Linux Proc File System ,[object Object],[object Object],[object Object],[object Object]
Input and Output ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Device-Driver Block Structure
Block Devices ,[object Object],[object Object],[object Object],[object Object],[object Object]
Character Devices ,[object Object],[object Object],[object Object],[object Object]
Interprocess Communication ,[object Object],[object Object],[object Object]
Passing Data Between Processes ,[object Object],[object Object],[object Object]
Shared Memory Object ,[object Object],[object Object],[object Object]
Network Structure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Network Structure (Cont.) ,[object Object],[object Object],[object Object]
Security ,[object Object],[object Object],[object Object],[object Object]
Security (Cont.) ,[object Object],[object Object],[object Object],[object Object]
End of Chapter 21

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Chapter 21 - The Linux System