As we all know, Gnome 3 is in the Market for a bit of time now, but in case of Ubuntu, we haven't seen it in action via a clean installation of Ubuntu. Of course we can use Gnome 3 in Ubuntu but it needs some tricks to set it up. Sometimes it can get a bit messy. So today, in this article we will discuss about enabling the Gnome 3 Shell and rolling back to Unity.