09 April 2026

What is an operating system?

An operating system (OS) is the main software that helps the computer work properly. It manages programs, devices, and files. The operating system also helps the user interact with the computer. 

The OS performs functions such as:
  • providing a user interface
  • managing programs
  • coordinating tasks
  • configuring devices
  • managing files
  • establishing internet connection
  • updating automatically
Examples of operating systems:
  • Windows
  • macOS
  • Android
  • iOS

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