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z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

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Related Information<br />

set, sh, tcsh<br />

sleep — Suspend execution of a process for an interval of time<br />

Format<br />

Description<br />

Example<br />

Localization<br />

Exit Values<br />

Portability<br />

sleep seconds<br />

sleep continues running until the specified number of seconds has elapsed. sleep<br />

can delay execution of a program or produce periodic execution in conjunction with<br />

shell commands.<br />

The seconds argument can be either a number of seconds, or a more general time<br />

description of the form nhnmns, with the nh, nm, and the s being optional.<br />

sleep 20h10m<br />

Related Information<br />

date<br />

sleeps for 20 hours and 10 minutes (or 72600 seconds).<br />

sleep uses the following localization environment variables:<br />

v LANG<br />

v LC_ALL<br />

v LC_CTYPE<br />

v LC_MESSAGES<br />

v NLSPATH<br />

See Appendix F for more information.<br />

0 Successful completion<br />

2 Failure because you specified no seconds value or because seconds is an<br />

incorrect argument (for example, incorrect format).<br />

P<strong>OS</strong>IX.2, X/Open Portability Guide, <strong>UNIX</strong> systems.<br />

skulker — Remove old files from a directory<br />

Format<br />

skulker [–irw] [–l logfile ] directory days_old<br />

shift<br />

Chapter 2. Shell command descriptions 585

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