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operating system
 
Noun operating system has 1 sense
  1. operating system, OS - (computer science) software that controls the execution of computer programs and may provide various services
    --1 is a kind of software, software system, software package, package
    --1 is a part of platform
    --1 has parts: supervisory program, supervisor, executive program
    --1 has particulars:
     DOS, disk operating system; UNIX, UNIX system, UNIX operating system
operating expense operating instructions operating leverage operating microscope operating procedure operating room operating statement operating surgeon operating system operating table operating theater operating theatre operation operation code operation cycology operation desert storm operation s

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