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Annotation of researchv10dc/dist/man/v4/man1/time.1, revision 1.1

1.1     ! root        1: .th TIME I 8/16/73
        !             2: .sh NAME
        !             3: time \*- time a command
        !             4: .sh SYNOPSIS
        !             5: .bd time
        !             6: command
        !             7: .sh DESCRIPTION
        !             8: The
        !             9: given command is executed; after it is complete,
        !            10: .it time
        !            11: prints the elapsed time during the command, the time
        !            12: spent in the system, and the time spent in execution
        !            13: of the command.
        !            14: .s3
        !            15: The execution time can depend on what kind of memory
        !            16: the program happens to land in;
        !            17: the user time in MOS is often half what it is in core.
        !            18: .sh BUGS
        !            19: Notice that
        !            20: .bd "time x >y"
        !            21: puts the timing information into
        !            22: .it y.
        !            23: One can get around this by
        !            24: .bd "time sh"
        !            25: followed by
        !            26: .bd "x >y."
        !            27: .br
        !            28: Elapsed time is accurate to the second,
        !            29: while the CPU times are measured
        !            30: to the 60th second.
        !            31: Thus the sum of the CPU times can be up to a second larger
        !            32: than the elapsed time.

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