What does operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

INTRO Operating systems, or OS'es for short, are just programs. But, special privileges on the hardware let them run and manage other programs.

Brief Description of Course Content Examines the structure and function of operating systems as an intermediary between applications and computer hardware. Topics include OS design goals, hardware ...

The hardware provides the raw power and functionality that enables the computer to work, and the operating system controls the bulk of the hardware's activity.

The topic of operating systems is a very common one now, with new gadgets coming out all of the time that now run their own operating systems. But, when you still look at the personal computer ...

The operating system controls the basic functions of a computer or network. It’s a software program that enables hardware to communicate and operate with the computer software.

Some of these tasks involve supporting the functions of the computer's operating system.

Apple’s operating systems came with a graphical interface and mouse support. These wouldn’t be commonplace for Windows operating systems until well into the 1990s.

Microsoft Windows has revolutionized the computer operating system over the past four decades. Let's break down each release and its impact.