Operating Systems- a software that acts as an interface between a user and a computer.
Functions of an Operating System
- Command Interpretation:
- Memory Management
- Peripheral Management
- Process Management
Types of Operating Systems
Single User Operating System is designed to be used by only one person or user at a time
- Personal Computer(PC)
- Microsoft Disk Operating System(MSDOS)
Multi-User Operating System are capable of running multiple programs concurrently and can share resources. A multi-user system can consists of a computer with several terminals connected to it.
- Dumb Terminal
- Smart Terminal