sleep(C)

sleep -- suspend execution for an interval

Syntax

sleep time

Description

The sleep command 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

Standards conformance

sleep is conformant with:

ISO/IEC DIS 99452:1992, Information technology Portable Operating System Interface (POSIX) Part 2: Shell and Utilities (IEEE Std 1003.21992);
AT&T SVID Issue 2;
X/Open CAE Specification, Commands and Utilities, Issue 4, 1992.

sleep(C)

Syntax

Description

See also

Standards conformance