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.

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

An Operating System remains the soul of any computer. We have seen many over time, but the one that has stood out strongly is Microsoft Windows. Windows occupies around 90 % of the total operating ...