Word

operating system, n.

(computer science) software that controls the execution of computer programs and may provide various services
<noun.communication>

OS operating system

semantic pointers

part holonym

platform

domain of synset (topic)

computer science, computing

hypernym

software, software program, computer software, software system, software package, package

hyponym

DOS, disk operating system UNIX, UNIX system, UNIX operating system Windows

part meronym

supervisory program, supervisor, executive program