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SLEEP(1) User Commands SLEEP(1)

sleep - delay for a specified amount of time

sleep NUMBER[SUFFIX]...
sleep OPTION

Pause for NUMBER seconds. SUFFIX may be 's' for seconds (the default), 'm' for minutes, 'h' for hours or 'd' 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.
--help
display this help and exit
--version
output version information and exit

Written by Jim Meyering and Paul Eggert.

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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.

sleep(3)

Full documentation <https://www.gnu.org/software/coreutils/sleep>
or available locally via: info '(coreutils) sleep invocation'

November 2019 GNU coreutils 8.31