1. Introduction To Operating Systems

2. What is Operating System

3. Some Operating System Tasks

4. 1- First Generation 1945-1955 : Plug Board programming
2- Second Generation : Full Batch Systems
3- Third Generation : a) Multiprogramming Systems
b) Time Sharing Systems
4- Forth Generation present : a) Real Time Systems
b) Networking Systems
c) Multiprocessors Systems

5. Batch Operating System

6. Multiprogramming Operating System

7. Operating System Components

8. How is Computer System booting

9. Operating System Service is an Interrupt System Call
1- Supervisor Call Interrupt
2- Timer Interrupt
3- Program Interrup
4- Input/Output Interrupt
Operating System Service is an Interrupt System Call