Application: gnome-shell What it is: GNOME shell is a part of new generation GNOME 3.0 desktop UI. Its a total make over of conventional GNOME desktop UI for Linux. GNOME shell uses metacity and mutter for theming and effects respectively. In fact mutter has replaced Compiz for desktop effects. To know more about: http://en.wikipedia.org/wiki/GNOME_Shell To install: $ sudo add-apt-repository ppa:ricotz/testing && sudo apt-get update $ sudo apt-get install gnome-shell How to start or run GNOME shell on Ubuntu: Hit ALT + F2, and run the following command gnome-shell --replace How to restore old GNOME: Either simply Logout or Hit ALT + F2 and run the following command debugexit -- Cheers, Dhastha A Kanchi Linux User http://kanchilug.wordpress.com My Works on Linux http://dowithlinux.wordpress.com http://dhastha.wordpress.com