install sublime for ubuntu 12.04
1.download sublime from http://www.sublimetext.com/ into Downloads dir: Sublime Text 2.02.tar.bz2
2.right click on Sublime Text 2.02.tar.bz2 to extract here.
3. mv Sublime\ Text\ 2 /usr/lib/ . one point mv instruction need supervisor privilege,so you need sudo prefix.
4.create a link for sublime text 2 , as you maybe need quick startuip the application .
use instrction: sudo ln -s /usr/lib/Sublime\ Text\ 2/sublime_text /usr/bin/sublime
5. open terminal and input sublime ,enjoy it.