An operating system is a collection (or suite) of programs that manages and controls the computer. Operating systems have many functions: A user interface is a program, or suite of programs that ...

An operating system is the essential software that's needed to run your computer's suite of software. Everything from video games to web browsing, basic word processing, and more is down thanks to ...

The operating system on a computer, say Microsoft Windows XP or Linux, is the interface you look at every day.

The operating system's interface is clear and minimal. There's a shelf that's similar to Windows' Taskbar, and the program launcher and settings work well.