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Annotation of 43BSDReno/usr.bin/time/time.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)time.1      6.2 (Berkeley) 11/17/87
        !             6: .\"
        !             7: .TH TIME 1 "November 17, 1987"
        !             8: .UC 4
        !             9: .SH NAME
        !            10: time \- time a command
        !            11: .SH SYNOPSIS
        !            12: .B time
        !            13: [-l] command
        !            14: .SH DESCRIPTION
        !            15: The given command is executed; after it is complete, \fItime\fP
        !            16: prints the elapsed time during the command, the time spent in the
        !            17: system, and the time spent in execution of the command.  Times are
        !            18: reported in seconds.  If the \fB-l\fP option is supplied, the
        !            19: contents of the \fIrusage\fP structure are printed as well.
        !            20: .PP
        !            21: On a PDP-11, the execution time can depend on what kind of memory
        !            22: the program happens to land in; the user time in MOS is often half
        !            23: what it is in core.
        !            24: .PP
        !            25: The times are printed on the diagnostic output stream, ``stderr''.
        !            26: .PP
        !            27: \fITime\fP is a built-in command to \fIcsh\fP(1), with a much different
        !            28: syntax.  This command is available as ``/bin/time'' to \fIcsh\fP users.
        !            29: .SH BUGS
        !            30: Elapsed time is accurate to the second, while the CPU times are measured
        !            31: to the 100th second.  Thus the sum of the CPU times can be up to a second
        !            32: larger than the elapsed time.
        !            33: .SH "SEE ALSO"
        !            34: include/sys/h/resource.h

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