operating system
US /ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
UK /ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
1.
sistema operacional
the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripheral devices.
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Windows is a popular operating system for personal computers.
Windows é um sistema operacional popular para computadores pessoais.
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Linux is an open-source operating system.
Linux é um sistema operacional de código aberto.