Jailbreak iPad 4.2 (4.2.1) with Untethered Redsn0w 0.9.7b5 MAC Guide [UPDATED]

Spend a iPad Jailbreak 2.4 (4.2.1) untethered from the tethered with a click? No, but close. The Dev-Team and Redsn0w 0.9.7b5 made this possible.

Warnings:
This guide to Jailbreak 4.2.1 iPad Untethered for now only available for users of MAC.
It is highly recommended to restore the iPad before continuing the process.
Although a fairly simple process is not recommended for novice or inexperienced