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

Buried deep inside your computer's Intel chip is the MINIX operating system and a software stack, which includes networking and a web server. It's slow, hard to get at, and insecure as insecure ...

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 next phase for cloud is coalescing public and private data centers across the globe into a 'single infinitely powerful computer' that is easy to access and use. IBM has a roadmap.

New York Times writer Joe Nocera argues that the Windows operating system doesn't matter any more, because webapps are rendering all operating syste ...

Attackers took advantage of a known, major flaw in Windows XP to launch a cyberattack which is still causing chaos globally. But the operating system still runs on many PCs around the world, even ...

In just about every computer science textbook, a computer consists of just three blocks: the hardware, the operating system, and then all the (user-land) software that runs on the OS. In actual ...

It’s been 35 years since the launch of the most important operating system you’ve never heard of -- and it was made by Steve Jobs himself.