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.

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

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

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 ...

Modern PCs, tablets and smartphones have an easy-to-use, graphical veneer that hides the complexity of the operating system software beneath that enables them work. While the developers of your ...

Today’s operating systems pose a significant barrier to a number of promised exciting innovations in computer hardware and applications — from personal assistant robots to autonomous vehicles to edge ...

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 ...

Decisions made years ago about which operating system to roll out can affect corporate security today. Of the big three in widespread use, one can credibly be called the most secure.

An operating system that is designed to work in a computer that processes 64 bits at a time. Most personal computers today are 64-bit, and mobile devices are expected to begin using 64-bit CPUs in ...