What's that? And how would I do it.If you do, just make sure to change the root password so that you can't be hacked into.
Do it. You won't regret it, and you'll spend far less on apps and other ******** for your iPod.
That being said, you also will not suffer the stupid pointless draconian measures Apple takes to make the extra buck.
What draconian measures? Unless you're endorsing piracy and comparing legally buying stuff on iTunes rather than just ripping it off a repository out there, which is bound to have issues on this forum.
passwd