What Is an Operating System? An operating system (OS) is the fundamental software that acts as the brain of your computer. It's the master program that orchestrates all the computer's operations, ...

Linux is a tried-and-true, open-source operating system released in 1991 for computers, but its use has expanded to underpin systems for cars, phones, web servers and, more recently, networking gear.

An operating system (OS) is a collection of software that controls the operation and basic function of a computer. Examples of operating systems include Windows (7, 8, 10, etc.) , Mac (OS X, etc.), ...

You may think of operating systems as something you install once and leave on a hard drive. But not every OS needs to tie itself down to a machine. Portable operating ...