Operating system
An operating system or OS, is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer and software programs would be useless. The image to the right is an example of Microsoft Windows XP, a popular operating system and what the box may look like if you were to visit a local retail store to purchase it.
- Click here to see what operating system and version you're running.
- Additional information about operating systems and a listing of computer operating systems and links can be found on our operating system page.
- Additional information about determining the type of operating system you have can be found on document CH000643.
Also see: Command line, GUI ,NOS, Operating environment, Operating system definitions, TOS
