guest operating system

[ɡɛst ɒp.ə.ˈreɪ.tɪŋ ˈsɪs.təm]
nounpl: guest operating systems
sistema operacional convidado
1. An operating system that runs within a virtual machine on a host computer, controlled by a hypervisor or virtualization software
The guest operating system runs independently within the virtual machine environment.
O sistema operacional convidado executa independentemente dentro do ambiente da máquina virtual.
2. Any secondary operating system installed on a computer in a virtualized environment, distinct from the host operating system
You can install Linux as a guest operating system on a Windows host machine.
Você pode instalar Linux como um sistema operacional convidado em uma máquina host com Windows.
This is technical jargon widely used in IT, cloud computing, and software development across both Brazil and the USA. The term is largely identical in usage across both countries, with the main difference being Brazilian Portuguese uses 'operacional' while European Portuguese uses 'operativo'. In professional contexts, many Brazilian and American tech professionals use the English abbreviation 'guest OS' or 'GOS' interchangeably.
Synonyms / Sinônimos
virtual machine operating systemguest OSvirtualized operating system
Antonyms / Antônimos
host operating systembare metal operating system

Regional Variations

General Brazilian
sistema operacional convidado
Standard technical terminology used in IT contexts
Portugal
sistema operativo convidado
Uses 'operativo' instead of 'operacional'; preferred in European Portuguese
Technology Sector
SO convidado or SO hospedado
Common abbreviated forms in technical documentation

Related Words

hypervisorvirtual machinehost operating systemvirtualizationhost computer

Related Idioms & Phrases

run a guest operating system
install a guest operating system
migrate a guest operating system
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