It includes all basic operating systems concepts. It explains all the concepts with the help of diagrams where necessary. It also includes numerical sums relating to concepts.  It contains the following chapters :

1. Introduction to Operating System

2. Operating System basics

3. Operating System structure

4. Processes and Threads

5. Process Synchronization

6. CPU Scheduling

7. Deadlocks

8. Memory Management

9. Virtual Memory

10. I/O Management and Disk Scheduling

11. File Management

12. Security and Protection

13. Overview of Multiprocessor and Distributed systems

14. Windows OS

15. Unix