Hi Chuck,
From a terminal window, i.e. Applications>Accessories>Terminal you will come up as a regular user (assuming regular user login or Live CD environment) with the prompt:
ubuntu@ubuntu:~$
Issue the following command to get into root account:
ubuntu@ubuntu:~$ sudo -i
root@ubuntu:~#
and then issue the following command from the root account to immediately power down the system:
root@ubuntu:~# shutdown -h now
That should do it.
-- Tom
P.S. Plug your system into a surge strip with a glow on/off switch and after power down, turn the switch off. I further have my system additionally plugged into a 1500 joule power surge suppression protector which is plugged into the surge strip.
__________________ The independence created by philosophical insight is - in my opinion - the mark of distinction
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