[Chapter 20] The Linux System

[libra10042]

Linux History

• The Linux Kernel
• Linux System
• Linux Distributions
• Linux Licensing

Design Principles

• Components of a Linux System

Kernel Modules

• Module Management
• Driver Registration
• Conflict Resolution

Process Management

• The fork() and exec() Process Model
  • Process Identity
  • Process Enviroment
  • Process Context
  • Processes and Threads

Scheduling

• Thread Scheduling
• Real-time Scheduling
• Kernel Synchronization
• Symmetric Multiprocessing

Memory Management

• Management of Physical Memory
• Virtual Memory
  • Virtual-Memory Regions
  • Lifetime of a Virtual Address Space
  • Swapping and Paging
  • Kernel Virtual Memory
• Execution and Loading of User Programs
  • Mapping of Programs into Memory
  • Static and Dynamic Linking
• File System
  • The Virtual File System
  • The Linux ext3 File System
  • Journaling
  • The Linux Process File System

Input and Output

• Block Devices
• Character Devices

Interprocess Communication

• Synchronization and Signals
• Passing of Data among Processes

Network Structure

Security

• Authentication
• Access Control