La commande at permet de lancer une commande plus tard.
(output de la commande tldr at)
at now + 5 minutes : Execute commands from standard input in 5 minutes (press Ctrl + D when done)
echo "{{./make_db_backup.sh}}" | at 1000 : Execute a command from standard input at 10:00 AM today
at -f {{path/to/file}} 9:30 PM Tue : Execute commands from a given file next Tuesday
man at