Shutdown, la commande

La commande shutdown

Options :

-H, --halt     Halt the machine
-P, --poweroff Power-off the machine (the default)
-r, --reboot   Reboot the machine
-h             as --poweroff, unless --halt is specified
-k             Do not shutdown, just write message
--no-wall      Do not send wall message before
-c             Cancel a pending shutdown

La commande init

Options :

0              Power-off the machine
6              Reboot the machine
2, 3, 4, 5     Start runlevelX.target unit
1, s, S        Enter rescue mode
q, Q           Reload init daemon configuration
u, U           Reexecute init daemon