operating system

noun

Definition of operating system

: software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions)

Examples of operating system in a Sentence

Recent Examples on the Web

San Diego company aims to become the Microsoft of the robotics industry with its BrainOS operating system for self-driving, floor-scrubbing robots. San Diego Union-Tribune, "Brain Corp., maker of robot janitors for Walmart, moving into European market," 1 July 2019 On Thursday, Mozilla issued a second patch fixing a privilege-escalation flaw that allowed code to break out of a security sandbox that Firefox uses to prevent untrusted content from interacting with sensitive parts of a computer operating system. Dan Goodin, Ars Technica, "Potent Firefox 0-day used to install undetected backdoors on Macs," 20 June 2019 Web browsers, for instance, are free, but in the 1990s Microsoft’s bundling of one with its dominant Windows operating system hurt competition and innovation. The Economist, "Trust-buster talk tough in America," 15 June 2019 The last was the Clinton administration’s suit against Microsoft’s monopolistic practices over software and operating systems. Edward Lotterman, Twin Cities, "Real World Economics: Playing monopoly is more than just rolling the dice," 16 June 2019 Flexible electricity grid is key For photovoltaic to contribute to the grid security, PV plants must be run by operating systems that allow for better interaction with the electricity grid. Thomas Wolfgang Thurner, Quartz Africa, "Renewable energy managed over blockchain would boost Africa’s rural power access," 11 June 2019 All of the operating systems will be updated this fall. Don Reisinger, Fortune, "Apple's Week Was Dominated by WWDC, Regulators, and a Mac Surprise," 8 June 2019 Those operating systems didn’t make the transition to PCs. Eric Johnson, Recode, "Why Roku isn’t afraid of competition from Apple, Google and Amazon," 13 Sep. 2018 The level of damage inflicted on the manufacturing operating system was not addressed. Russ Mitchell, latimes.com, "Musk claims sabotage with list of haters who want Tesla 'to die'," 19 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'operating system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of operating system

1961, in the meaning defined above

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Last Updated

9 Jul 2019

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Time Traveler for operating system

The first known use of operating system was in 1961

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More Definitions for operating system

operating system

noun

English Language Learners Definition of operating system

computers : the main program in a computer that controls the way the computer works and makes it possible for other programs to function

operating system

noun

Kids Definition of operating system

: a program or series of programs that controls the operation of a computer and directs the processing of the user's programs

More from Merriam-Webster on operating system

Nglish: Translation of operating system for Spanish Speakers

Britannica.com: Encyclopedia article about operating system

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