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

alarm(2), sleep(3)

BUGS

Time must be less than 2147483647 seconds. 

7th Edition