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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

    get sidetracked
    to become diverted from one's task
    I began to watch the news and got sidetracked from what I had planned to do.



    1.
    Choose an idiom to replace the expression in the brackets:
    The woman was (laughing very hard) after I told her about the incident with the small dog.

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