4.3BSD - /usr/man/cat1/sleep.0

SLEEP(1)                                                              SLEEP(1)


NAME
       sleep - suspend execution for an interval

SYNOPSIS
       sleep time

DESCRIPTION
       Sleep  suspends  execution  for  time seconds.  It is used to execute a
       command after a certain amount of time as in:

            (sleep 105; command)&

       or to execute a command every so often, as in:

            while true
            do
                 command
                 sleep 37
            done

SEE ALSO
       setitimer(2), alarm(3C), sleep(3)

BUGS
       Time must be less than 2,147,483,647 seconds.


7th Edition                     April 29, 1985                        SLEEP(1)