If you are jailbroken at iOS 4.0 and you want to change your root password but mobile terminal does not work on 4.0 then you might ask how can it be done? Well follow these steps: 1. Open Cydia and download "Openssh" 2. Open Terminal on mac or download or run PuTTY for pc (make sure to: select "SSH" on its main screen) 3. Type in "ssh root@<what ever your iPod ip address is>" or root@<what ever your iPod ip address is> if you are using PuTTY (Both updates thanks to ss2man44) (Your ip can be found in settings>general>about) 4. It will then ask you to type in the password for root type in "alpine" (Please note it may take a minute or two to get here) 5. Once you see your iPod name:~ root# then type in "passwd" 6. Type in your new password then type it in again after it asks you to 7. Close your terminal and respring Thanks to the users: b-mac 39 and lauNchD For helping me understand how to do it.