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 first OS installed in a computer. In a virtual machine environment, there may be a host operating system that interacts with the virtual machine monitor, which manages the virtual machines.

Developers talk a lot about “immutability.” Outside the technical world, it usually means something negative: unmoving, inflexible, and entrenched. However, in the technical field, these features ...

There are a few different reasons why the average person — as opposed to an enthusiast tinkerer — might want to try out one of the many available flavors of free Linux-based operating systems. If ...