Operating system is a system software which is used to manage the hardware, software and other resources of the computer system.

  • Operating system also acts as an interface between the user and computer hardware.
  • It is also known as resource locator because it manages all the resources of the computer system and provides services to computer programs.
  • It is a software which is used to manage the hardware.
  • It is used to control the execution of all the programs.

The primary goal of the operating system are as follows:

  1. To provide user-friendly environment.
  2. To make resources available to use in an effective and efficient manner.
Following are some important functions of an operating system.
  1. File management
  2. Process management
  3. Memory management
  4. Device management
  5. Command interpretation
  6. Security
  7. Error detecting aids.