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sleep

Suspend execution for an interval (POSIX)

Syntax:

sleep time

Options:

time

A nonnegative decimal integer, from 0 to 4294967295, specifying the number of seconds to suspend execution.

Description:

The sleep utility suspends execution for at least the integral number of seconds specified by the time operand.

Exit status:

0

The execution was successfully suspended for at least time seconds, or a SIGALRM signal was received.

>0

An error occurred.

Caveats:

The sleep utility takes the default action for all signals, except that sleep terminates normally with a zero exit status on receipt of a SIGALRM signal.

See also:

sh

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