operating system

US /ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
UK /ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
"operating system" picture
1.

sistema operacional

the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripheral devices.

:
Windows is a popular operating system for personal computers.
Windows é um sistema operacional popular para computadores pessoais.
Linux is an open-source operating system.
Linux é um sistema operacional de código aberto.