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 games to web browsing, basic word processing, and more is down thanks to ...

Outgoing CISA chief Jen Easterly called on buyers to demand better security standards from their software suppliers. The Security Think Tank considers what better means, and what best practice for ...

Software used to control the computer and develop and run applications. It includes programs such as operating systems, database managers, compilers, Web servers, router operating systems and ...