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.

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. A traditional operating system (OS) such as Windows, macOS and Linux facilitates user ...

What's really the most popular operating system? That depends on how you look at them and who's doing the looking. For example, Net Applications shows Windows on top of the desktop operating system ...

Google was one of the early leaders in the first wave of modern augmented reality (AR) research and devices, but the company has appeared to cool to AR in recent years even as Apple and Facebook have ...