sleep(1) 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. Unlike most implementations that require NUMBER be an integer, here NUMBER may be an arbitrary floating point number. 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


Written by Jim Meyering and Paul Eggert.


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Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.