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TIME(1)			   OpenBSD Reference Manual		       TIME(1)

NAME
     time - time command execution

SYNOPSIS
     time [-lp] utility [argument ...]

DESCRIPTION
     time executes and times utility with optional arguments.  After the
     utility finishes, time writes the total time elapsed, the time consumed
     by system overhead, and the time used to execute utility to the standard
     error stream.  Times are reported in seconds.

     The options are as follows:

     -l	     The contents of the rusage structure are printed.

     -p	     The output is formatted as specified by IEEE Std 1003.2-1992
	     (``POSIX.2'').

FILES
     /usr/include/sys/resource.h

EXIT STATUS
     The time utility exits with one of the following values:

     1-125   An error occurred in the time utility.
     126     The utility was found but could not be invoked.
     127     The utility could not be found.

     Otherwise, the exit status of time shall be that of utility.

SEE ALSO
     csh(1), ksh(1), getrusage(2)

STANDARDS
     The time utility is compliant with the IEEE Std 1003.1-2008 (``POSIX'')
     specification.

     The flag [-l] is an extension to that specification.

     time also exists as a built-in to csh(1) and ksh(1), though with a
     different syntax.

HISTORY
     A time command appeared in Version 3 AT&T UNIX.

BUGS
     The granularity of seconds on microprocessors is crude and can result in
     times being reported for CPU usage which are too large by a second.

OpenBSD 4.9		      September 29, 2010		   OpenBSD 4.9

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