The SLEEP command puts a process on hold for a specified time. This command is useful for conserving system resources for other operations, or for executing a command at a later time.
Format
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SLEEP {x | hh:mm:ss} |
Parameter(s)
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{x} |
Number of seconds. |
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{hh:mm:ss} |
Time the process returns to active status. The system clock runs on 24-hour time; a process can be suspended for up to 23 hours, 59 minutes, and 59 seconds. |
Description
After the user enters the SLEEP command, the process is suspended. When the specified period has elapsed, the TCL prompt returns.
You can also awaken a sleeping process by pressing the CTRL+BREAK keys on the process’s terminal keyboard.
Suspending a Process
The following example puts the current process on hold until 10:30 P.M.:
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>SLEEP 22:30:00 |
The next example puts the current process on hold for 30 minutes (1800 seconds):
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>SLEEP 1800 |