sleep(1) User Commands sleep(1)NAMEsleep - suspend execution for an interval
SYNOPSISsleep time
DESCRIPTION
The sleep utility will suspend execution for at least the integral num‐
ber of seconds specified by the time operand.
OPERANDS
The following operands are supported:
time A non-negative decimal integer specifying the number of sec‐
onds for which to suspend execution.
EXAMPLES
Example 1: Suspending command execution for a time
To execute a command after a certain amount of time:
example% (sleep 105; command)&
Example 2: Executing a command every so often
example% while true
do
command
sleep 37
done
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables
that affect the execution of sleep: LANG, LC_ALL, LC_CTYPE, LC_MES‐
SAGES, and NLSPATH.
EXIT STATUS
The following exit values are returned:
0 The execution was successfully suspended for at least time
seconds, or a SIGALRM signal was received (see NOTES).
>0 An error has occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │SUNWcsu │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Standard │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOwait(1), alarm(2), sleep(3C), wait(3UCB), attributes(5), environ(5),
standards(5)NOTES
If the sleep utility receives a SIGALRM signal, one of the following
actions will be taken:
· Terminate normally with a zero exit status.
· Effectively ignore the signal.
The sleep utility will take the standard action for all other signals.
SunOS 5.10 1 Feb 1995 sleep(1)
