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ok, i have an old computer with a noisy fan, so i turn it off every night. when i'm running windows this is easy, start, shutdown. in linux, i'm not quite sure what i'm doing. here's what i did, i don't know if it's right. i had been logged in as root, trying to setup a user account. i went to single user mode, then typed in telinit 0 to go to runlevel 0. this stopped a bunch of stuff and made my hard drive stop spinning. i then turned my maching off, is this ok, or are there other things i have to do before cutting the power to my machine?
thanks in advance,
You should not turn of your box when you run a 'bare' reboot.
A few possibilities to turn off your box:
- init 0
- shutdown -h now
There are more, but these will do.
Please check the manpage (man reboot and/or man shutdown and/or man init).
You should never ever turn of your box when it is running! Only when linux tells you it is safe to turn-off your box you can do so. Ok, that's a bit strong, but you can damage your partitions if you do so.
i would say for percautionary reasons, probably before you make a selection at your grub or lilo boot selection ... so basically that is saying when your computer is still in its POST, that that would be the only real safe time when you could hit the power button... after the selection at your grub/lilo menu you have started the initialization, and i would have to say cuttin power within that, would be the same as cuttin power when its complete, if not more harmful....
so the long and short of all this is, i would say there is no safe time, if you already started the boot process ... wait until the boot process is complete and then issue shutdown -h now ... never cut power during boot..