sleep

suspend execution for an interval

TLDR

Delay in seconds

$ sleep [seconds]

Execute a specific command after 20 seconds delay

$ sleep 20 && [command]

SYNOPSIS

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

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT

Copyright © 2022 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.

AUTHOR

Written by Jim Meyering and Paul Eggert.