Operating Systems

Operating Systems

1. User interface

   • Based on managing graphical objects
   • Provides a link between the user and the computer

2. Memory management

   • Keeps track of each and every memory location
   • Functionality of an operating system

3. Peripheral Management

   • Controls peripheral devices by sending commands
   • Every piece of hardware comes with software called a 'device driver'

4. Multi-tasking

   • The OS is able to keep track of where you are in these tasks
   • Allowing the user to perform more than one computer task

5. Security

   • The process of ensuring OS integrity, confidentiality and availability
   • Protects the OS from threats, viruses, worms, and so on

6. File management

   • Keeps track of files
   • You can buy separate file management systems