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

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.

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 device ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...