Section (1) sleep
sleep — delay for a specified amount of time
Pause for NUMBER seconds. SUFFIX may be _zsingle_quotesz_s_zsingle_quotesz_ for seconds (the default), _zsingle_quotesz_m_zsingle_quotesz_ for minutes, _zsingle_quotesz_h_zsingle_quotesz_ for hours or _zsingle_quotesz_d_zsingle_quotesz_ for days. NUMBER need not be an integer. Given two or more arguments, pause for the amount of time specified by the sum of their values.
display this help and exit
output version information and exit
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
Full documentation <https://www.gnu.org/software/coreutils/sleep>
or available locally via: info _zsingle_quotesz_(coreutils) sleep invocation_zsingle_quotesz_
Copyright © 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
Section (3) sleep
sleep — sleep for a specified number of seconds
||unsigned int seconds
sleep() causes the calling
thread to sleep either until the number of real-time seconds
have elapsed or until a signal arrives which is not
Zero if the requested time has elapsed, or the number of seconds left to sleep, if the call was interrupted by a signal handler.
For an explanation of the terms used in this section, see attributes(7).
||Thread safety||MT-Unsafe sig:SIGCHLD/linux|
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Copyright (c) 1993 by Thomas Koenig (ig25rz.uni-karlsruhe.de)
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Modified Sat Jul 24 18:16:02 1993 by Rik Faith (faithcs.unc.edu)