Content:
1. Introduction
2. Operating Systems Functions
2.1 Memory Management
2.2 Processor Management
2.3 Device Management
2.4 File Management
2.5 Other Important Activities
3. OS Services
3.1 Program execution
3.2 I/O Operation
3.3 File system manipulation
3.4 Communication
3.5 Error handling
3.6 Resource Management
3.7 Protection