Functions of an operating system

Functions of an operating system

1. User interface

   • Multi-tasking
   • The user interface allows the user to interact with the computer.
   • There is two type's of user interface which are GUI (Graphical User Interface) and CLI (Command Line Interface)

2. Memory management

   • memory management which is done by keeping track of storage devices
   • Each task running is given a slice of time, or a turn on the CPU.

3. Peripheral Management

   • Software has to interact with the hardware in order to receive data from input devices and to send its result to output devices.
   • Every piece of hardware comes with software called a 'device driver'

4. Security

   • The OS protects files from other users reading or writing files.
   • Linux makes you type in a password before you can install or update software. This is just one example of security!

5. File management

   • The OS provides file management services by sorting out where data is stored on the disk drives and memory.
   • The OS allows users to organise files in folders as well as to copy and delete files.