Updating the iPod Touch software erases the jailbreak. You can update, but it will erase your jailbreak.
You can cancel your jailbreak by restoring your iPod or updating to the latest firmware
Not At All...... But updating your ipod will remove the jailbreak
Yes. Most updates tend to patch jailbreaks, especially big ones like iOS 6.
Yes
Yes, updating the software of an iPod undoes the Jailbreak.
No, only an iOS update will.
No. Updating the iPad's firmware will remove any jailbreak that has been installed.
No you cant the only way is restoring or updating your iPod
If you want to jailbreak your ipod you can but if you dont wanna you dont have to, it's your choice but jailbreaking can cause fast battery drain and lag and with jailbreaking you can get free apps but if you dont jailbreak your ipod is smooth but you have to pay real money for apps(except free ones).
Yes
this will only happen if you choose to update to the newest apple software. updating music and such thru itunes will not touch your jailbreak