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.

The ability of embedded systems to connect and communicate over a network is the essence of IoT. Indeed, IoT operating systems are a type of embedded OS and are, by definition, designed to enable data ...

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 control ...