operating system

/ˌɑpəˈreɪdɪŋ ˈsɪstəm/
/ˈɒpəreɪtɪŋ ˈsɪstəm/
IPA guide

Other forms: operating systems

Definitions of operating system
  1. noun
    (computer science) software that controls the execution of computer programs and may provide various services
    synonyms: OS
    see moresee less
    types:
    DOS, disk operating system
    an operating system that is on a disk
    UNIX, UNIX operating system, UNIX system
    trademark for a powerful operating system
    Windows
    (trademark) an operating system with a graphical user interface
    type of:
    computer software, package, software, software package, software program, software system
    (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘operating system'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family

Vocabulary lists containing operating system

Computer Science and Technology - Middle School

If you're struggling with computer science terminology, reboot and learn this list of essential vocabulary. Review hardware and software, networks and directories, encryption and firewalls, and much more. You'll definitely want to cache these words in your memory!

Computer Science and Technology - High School

If you're struggling with computer science terminology, reboot and learn this list of essential vocabulary. Review hardware and software, networks and directories, encryption and firewalls, and much more. You'll definitely want to cache these words in your memory!

MORE VOCABULARY LISTS