You must be root
nadir@ipower:~$ sudo -s
Password:
root@ipower:~# Reboot
Option -r now(reboot now) allows you to reboot now
Shut Down
Option -h now(halt now) allows you to stop now
root@ipower:~# shutdown -h nowSchedule a shut down or a reboot
To reboot your computer in 13 minutes:
root@ipower:~# shutdown -r +13
Broadcast message from root (pts/1) (Mon Oct 17 18:03:22 2005):
The system is going DOWN for reboot in 13 minutes!To shut down your computer in 13 minutes:
root@ipower:~# shutdown -h +13
Broadcast message from root (pts/1) (Mon Oct 17 18:02:58 2005):
The system is going DOWN for system halt in 13 minutes!To reboot your computer at 18:30:
root@ipower:~# shutdown -r 18:30Toshut down your computer at 18:30
root@ipower:~# shutdown -h 18:30Cancel a reboot or a shutdown
To cancel reboot or shutdown schedules, you must use -c option
root@ipower:~# shutdown -c
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