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

Four Ways in Which an Operating System Controls the Hardware of a Computer. Everything you do on your computer is the direct result of hardware and software working together. The hardware provides ...

As the forerunner to the graphical user interfaces MS-DOS, or Microsoft Disk Operating System, set the stage for the company’s dominance in the software market.

Haiku is for those who experienced either NeXT or AfterStep and want an operating system that looks and feels a bit old school but performs faster than any OS they've ever experienced.

What does 64-bit operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.