en.wikipedia.org/wiki/Operating_system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

en.wikipedia.org/wiki/List_of_operating_systems

Batch-11/DOS-11 · Domain/OS ... by DEC and HP now by VMS Software Inc.) for  ...

edu.gcfglobal.org/en/computerbasics/understanding-operating-systems/1

An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and  ...

smallbusiness.chron.com/five-common-operating-systems-28217.html

Aug 3, 2018 ... Most computers and smartphones come with an operating system installed ... software and the hardware, distributing memory and computing ...

en.wikibooks.org/wiki/Introduction_to_Computer_Information_Systems/System_Software

A computer would not be able to function correctly without an operating system. An operating system is a software ...

www.computerhope.com/os.htm

Jan 24, 2018 ... An operating system or OS is software installed on a computer's the hard drive that enables computer hardware to communicate with and run ...

www.lifewire.com/operating-systems-2625912

An operating system is computer software that manages hardware and other software. Some operating system examples include Windows, macOS, and Linux .

www.g2crowd.com/categories/operating-system

Find the best Operating System using real-time, up-to-date data from over 2391 ... operating system, a collection of software that makes your computer run.

computer.howstuffworks.com/operating-system.htm

In this article, we'll tell you what a piece of software must do to be called an operating system, show you how the operating system in your desktop computer  ...