IPod Jailbreak
From Hack Sphere Labs Wiki
Identify Ipod
http://support.apple.com/kb/ht1353
iPod IOS
http://en.wikipedia.org/wiki/IOS_version_history
01-15-12 = 5.0.1 Current for 4 gen ipod
Jailbreak Process 5.0.1
http://www.redsn0w.us/2010/03/download-direct-links-jailbreak-guides.html
Notes
ultrasn0w is for unlocking a phone redsn0w jailbreaks the iOS
- Tethered vs Untethered