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operating system

n.
1.(computer science) software that controls the execution of computer programs and may provide various services

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Word of the Day

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    Idiom of the Day

    You tell'em!
    used to agree with or encourage someone in what they are saying
    "You tell`em," I yelled to the politician who was making the speech.



    1.
    In my youth I ________ exercise everyday.

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