operating system: meaning, definition, pronunciation and examples
B2Technical, Academic, Business, Everyday
Quick answer
What does “operating system” mean?
The main software that manages all hardware and other software on a computer, smartphone, or other device.
Audio
Pronunciation
Definition
Meaning and Definition
The main software that manages all hardware and other software on a computer, smartphone, or other device.
The foundational system software that provides an interface between a user/application and computer hardware, managing resources like memory, processing tasks, storage, and peripherals. In a broader metaphorical sense, it can refer to the core governing principles of an organization or system.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling of related terms may differ (e.g., 'programme' vs. 'program'). The acronym 'OS' is universal.
Connotations
Identical technical connotations. Slight differences in market-specific names for OS versions (e.g., historical preference for 'Windows' vs. 'MacOS' varies by region).
Frequency
Equally high frequency in both technical and general discourse. The acronym 'OS' is perhaps slightly more frequent in US tech jargon.
Grammar
How to Use “operating system” in a Sentence
[verb] + operating system: install/run/update/reboot the operating system[adjective] + operating system: mobile/stable/proprietary/embedded operating systemoperating system + [verb]: The operating system manages/controls/boots.operating system + [preposition] + [noun]: compatibility with the operating systemoperating system + [for] + [device]: an operating system for smartphonesVocabulary
Collocations
Examples
Examples of “operating system” in a Sentence
verb
British English
- The device is operating on a new system.
American English
- The system operates smoothly after the patch.
adverb
British English
- The machine is operating systemically, not in isolation.
American English
- The network functions operating-system-wide.
adjective
British English
- The operating theatre system is highly specialised.
American English
- We reviewed the operating procedures for the entire system.
Usage
Meaning in Context
Business
We need to standardize the operating system across all company laptops for security.
Academic
The study compared the memory management efficiency of three different operating system architectures.
Everyday
My phone needs an update because the operating system is getting slow.
Technical
The real-time operating system (RTOS) must guarantee task scheduling within strict latency parameters.
Vocabulary
Synonyms of “operating system”
Strong
Weak
Vocabulary
Antonyms of “operating system”
Watch out
Common Mistakes When Using “operating system”
- Using plural verb for singular noun: 'The operating system are...' (incorrect) -> 'The operating system is...' (correct).
- Misspelling as 'operating sistem'.
- Confusing with 'software' generally; an operating system is a specific type of system software.
FAQ
Frequently Asked Questions
Microsoft Windows is the most common desktop operating system globally, followed by macOS and various Linux distributions.
Yes, Android and iOS are the dominant operating systems for mobile devices like smartphones and tablets.
Technically yes, but it would be extremely difficult to use. The OS provides the essential interface and management tools needed to run applications and interact with hardware easily.
It is a compound noun written as two separate words. The hyphenated form 'operating-system' is rarely used as an adjective (e.g., operating-system update).
The main software that manages all hardware and other software on a computer, smartphone, or other device.
Operating system is usually technical, academic, business, everyday in register.
Operating system: in British English it is pronounced /ˈɒpəreɪtɪŋ ˌsɪstəm/, and in American English it is pronounced /ˈɑːpəreɪtɪŋ ˌsɪstəm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “It's a feature, not a bug (often said of OS quirks)”
- “Blue screen of death (colloquial for a Windows OS crash)”
- “Kernel panic (colloquial for a Unix/OS X system crash)”
Learning
Memory Aids
Mnemonic
Think of a computer as a house. The OPERATING SYSTEM is the ELECTRICAL SYSTEM & PLUMBING – you don't see it directly, but it manages all the power and water (data/commands) so the appliances (apps) can work.
Conceptual Metaphor
THE BRAIN/GOVERNMENT OF THE COMPUTER. It is the central control authority that coordinates all activities and allocates resources.
Practice
Quiz
Which of the following is primarily a function of an operating system?