How to Change Desktop Environment in Ubuntu 13.04

Changing Desktop Environment in Ubuntu is easy. Rather than installing Linux Mint for Cinnamon Desktop Environment. You can easily get Cinnamon Desktop Environment or any other Desktop Environment to Ubuntu. Like KDE , XFCE , GINOME , UNITY etc..

Default Desktop environment for ubuntu is Unity.

GINOME:
sudo apt-get install gnome 

CINNAMON:

sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable

sudo apt-get update

sudo apt-get install cinnamon

KDE:
 sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable
sudo apt-get update
sudo apt-get install cinnamon nemo

How to open specific Desktop Environment....

Reboot of log off computer ...

At Login Screen there will be an icon at User name in ubuntu 13.04. Click this icon and Select your desired Desktop Environment.

How to Root at terminal : linux Cinnamon , linux KDE , linux Gnome or any other environment

(1)Press Alt + Ctrl + T to open terminal .
(2)Type and enter

                                sudo -s
Enter password ..

You are done.. :)