Up until now, iOS4.2.1 users could only ‘tether’ jailbreak their iTouch device. A ‘tethered’ jailbreak is a temporary jailbreak and will last only until a reboot.

This post is about the release of greenpois0n, and additional support for Windows, Linux and Mac OS X. It describes what it is and how to get it.

It was just yesterday that we told you about Geohot making a comeback to the iTouch jailbreaking scene with limera1n. Today, Geohot has released his latest jailbreaking tool – limera1n.

Nearly three months ago, we had reported that Geohot has decided to ditch the iTouch jailbreak scene. Now Geohot is all set to make a comeback to the iTouch jailbreaking scene with his latest tool – Limera1n.