These operating systems are so small they download faster than some apps update.

A system software component that is external to the operating system kernel. If the phrase is used to refer to the operating system itself, it is redundant because an operating system "is" software.

An operating system is the essential software that's needed to run your computer's suite of software. Everything from video ...

How many times have you been asked what operating system version you use, and you haven’t got a clue? The question is often asked when you’re seeking technical support for software or hardware issues, ...

With cybersecurity threats on the rise and data breaches occurring almost every week, it’s natural to ask: What is the most secure operating system (OS)? Unfortunately, the answer isn’t ...

Facebook Inc. is building its own operating-system software to decrease its future dependence on rivals like Apple Inc. and Google, owners of the world’s most popular mobile operating systems. The ...

You can find real-time operating systems (RTOS) everywhere. They are as ubiquitous as their more familiar operating-system cousins – Windows, Mac OS and Unix – that control software applications and ...

OS X may be retired, but it deserves to be remembered. Take a trip back with these 14 key milestones in the double-decade history of the operating system that helped transform a nearly bankrupt Apple ...