How to install Ubuntu Tweak on ubuntu 12.04 (Precise Pangolin)
Ubuntu Tweak is a free ubuntu software to config Ubuntu desktop and system options easier for everyone.
Method 1:
1.Open Terminal.To open terminal click the Dash home from unity launcher.And type terminal in the search field. And click Terminal.
2.Type the below code in terminal and hit enter.
sudo add-apt-repository ppa:tualatrix/ppa
3.Type your ubuntu password if needed.
4.Then press enter to continue or ctrl-c to cancel adding the ppa.
5.Type below command and hit enter
sudo apt-get update
6.Then type below command and press enter
sudo apt-get install ubuntu-tweak