Class PPT

Operating System Concepts

• OS Concepts
• Linux commands
• Shell scripts
• Linux System call Programming

Learning OS

• step 1: End user
  • Linux commands
• step 2: Administrator
  • Install OS (Linux)
  • Configuration - Users, Networking, Storage, ...
  • Shell scripts
• step 3: Programmer
  • Linux System call programming
• step 4: Designer/Internals
  • UNIX & Linux internals

What is OS?

• Interface between end user and computer hardware.
• Interface between Programs and computer hardware.
• Control program that controls execution of all other programs.
• Resource manager/allocator that manage all hardware resources.
• Bootable CD/DVD = Core OS + Applications + Utilities
• Core OS = Kernel -- Performs all basic functions of OS.

OS Functions

• CPU scheduling