What's an operating system?

What are Windows, Mac, Linux, Android, and iOS?

The TL;DR

An operating system is the mastermind behind your computer: it orchestrates all of the behind-the-scenes magic that lets something like Excel work on your hardware.

  • Operating systems are pieces of software that manage how your application software works with your hardware

  • An OS also handles very basic tasks like keyboard input, displaying things …

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