Ubuntu 11.10 finally provides the curious users with an easy, safe way to install and try out ‘GNOME Shell’ – the new desktop interface from GNOME.
This means that unlike previous releases of Ubuntu installing GNOME Shell in Ubuntu doesn’t require the addition of any extra ‘software repositories’, or the running of any dubious scripts: Just run this command in a terminal:
sudo apt-get install gnome-shell gnome-themes-standard
for some handy tools integrated in Gnome shell use:
sudo apt-get install gnome-sushi gnome-contacts gnome-tweak-tool
Ubuntu’s new login manager makes switching between sessions super easy:
Read more here