well i was restored my itouch and theen after that i downloaded ziphone GUI 3.0 and used jail break(ipod is supported)
so i left my itouch down because i knew it will take a while and went on msn. then 5 mimnutes later i went to check on itouch to see if its done and i saw that it frozed half way during jail breaking. on the itouch it screen it says

Singleuser boot -- fsck not done Root device is mounted read-only
if you want to make modifications to fill es:

/sbin/fscj -fy
/sbin/mount -uw /
if you wish to boot system:
Exit
Dec 30 14:02:15 launchd[11]; can't exec/bin/sh for single user; no such file or directory

so i took out the cable and turned it off and on it still ends up at the same place. please help

Damn, should have used Quickpwn. Have you tried DFU mode? Or holding the home and sleep buttons down for a reboot? Does iTunes recognize it?

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Omg the same thing with me go to this link and read discripitiontry it several ti:dmes

You didn't leave a link | Since it might have been in the process of changing files, you might want to try and restore through iTunes. Connect iPod, open iTunes. Hold down Shift while you click the recover button. This will only work if iTunes detects it in DFU / Recovery / Needing a restore. If not, then it is pretty much dead. Good luck man!

When I jailbreaked my itouch for the 1st time, it got stuck and i couldn't turn it on. I re-opened my jailbreaking software (quickpwn) and it told me to hold down a combination of button for a certain amount of seconds. My ipod then rebooted.
If u get it to reboot, restore it and use quickpwn.