This entry contains the definition to the term Disk Operating System.

What does host operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

I’m not sure that fully immutable operating systems are the future of operating systems just yet, but some of their concepts and principles definitely are.

Fortunately, switching to a lightweight operating system can provide better performance if you’re rocking an old PC. So, here are five operating systems that can bring your obsolete machine back ...