noun
multitasking operating system
Technical computing term for an OS that can run multiple tasks concurrently.
このマルチタスクＯＳは、複数のアプリを同時に動かせる。
This multitasking OS can run multiple applications at the same time.
Refers to multitasking in general; マルチタスクＯＳ specifically denotes the operating system that enables it.
Loanword from English 'multitasking OS'.