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OS

Definitions of OS
  1. noun
    (computer science) software that controls the execution of computer programs and may provide various services
    synonyms: operating system
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    examples:
    Microsoft disk operating system
    an operating system developed by Bill Gates for personal computers
    Linux
    an open-source version of the UNIX operating system
    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
  2. noun
    the left eye
    synonyms: oculus sinister
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    type of:
    eye, oculus, optic
    the organ of sight
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