operating systems

[/ˈɒp.ə.reɪ.tɪŋ ˈsɪs.təmz/]
nounpl: operating systems
sistemas operacionais
1. Software that manages computer hardware and provides services to application programs; acts as an intermediary between users and computer hardware
Windows, macOS, and Linux are popular operating systems used worldwide.
Windows, macOS e Linux são sistemas operacionais populares usados em todo o mundo.
2. The core software that controls the allocation of hardware resources and scheduling of tasks
The operating system allocates memory and processing power to different applications.
O sistema operacional aloca memória e poder de processamento para diferentes aplicações.
3. Software environment that enables a computer to function and run other programs
You must install an operating system before you can use your new computer.
Você deve instalar um sistema operacional antes de poder usar seu novo computador.
In Brazil, 'sistemas operacionais' is the standard technical term used in IT, computing courses, and professional environments. The abbreviation 'SO' (sistema operacional) is commonly used in everyday tech conversations. In the USA, the abbreviation 'OS' is universally recognized in tech culture. Portugal distinguishes itself by using 'operativos' rather than 'operacionais,' reflecting European Portuguese conventions.
Synonyms / Sinônimos
OSplatformsystem software

Regional Variations

General Brazilian
sistemas operacionais
Standard term used in technology and education contexts
Rio de Janeiro
sistemas operacionais
Same as general Brazilian Portuguese
São Paulo
sistemas operacionais
Same as general Brazilian Portuguese; tech hub commonly uses English abbreviation 'OS'
Portugal
sistemas operativos
European Portuguese uses 'operativos' instead of 'operacionais'

Related Words

kernelapplication softwarefirmwaresoftware

Related Idioms & Phrases

boot up an operating system
crash of the operating system
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