linux man page for sleep

SLEEP(1)							   User Commands							  SLEEP(1)

NAME
       sleep - delay for a specified amount of time

SYNOPSIS
       sleep NUMBER[SUFFIX]...
       sleep OPTION

DESCRIPTION
       Pause for NUMBER seconds.  SUFFIX may be `s' for seconds (the default), `m' for minutes, `h' for hours or `d' for days.	Unlike most imple-
       mentations that require NUMBER be an integer, here NUMBER may be an arbitrary floating point number.  Given two or  more  arguments,  pause
       for the amount of time specified by the sum of their values.

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR
       Written by Jim Meyering and Paul Eggert.

REPORTING BUGS
       Report sleep bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report sleep translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       sleep(3)

       The  full  documentation  for sleep is maintained as a Texinfo manual.  If the info and sleep programs are properly installed at your site,
       the command

	      info coreutils 'sleep invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							  SLEEP(1)