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SLEEP(1) General Commands Manual SLEEP(1)

sleep - suspend execution for an interval

sleep time

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

alarm(2), sleep(3)

Time must be less than 65536 seconds.

UNIX-7