1. Computing

Operating System


Definition: Abbreviated as OS, it is a powerful, and usually large, program that controls and manages the hardware and other software on a computer.

The most popular operating systems today include versions of Microsoft Windows (like Windows 8, Windows 7, Windows Vista, and Windows XP), Apple's Mac OS, and flavors of the open source operating system Linux.

Microsoft Windows Operating System

The operating system that I deal with most here on my PC Support site is Windows. Here is a small selection of popular Windows operating system related articles you can find on my site:

Also Known As: OS
"I have a number of friends that use different versions of the Linux operating system but I've always been a huge fan of Microsoft Windows. In fact, my last upgrade was from Microsoft Windows Vista to Microsoft Windows 7."
Related Video
5 Biggest Changes in Windows 7
  1. About.com
  2. Computing
  3. PC Support
  4. Glossary / Terms
  5. O
  6. Operating System Definition (Windows, Linux, Mac OS)

©2014 About.com. All rights reserved.