An operating system (OS) is software that manages computer resources, controls program execution, and provides a user interface ...

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

But there is one operating system that never fails to show off exactly what a desktop should be. That platform is Zorin OS. Zorin OS is as functional as it is beautiful.

The Android operating system is a mobile operating system developed by Google primarily for touchscreen devices, such as cell phones and tablets.

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