ubuntu 安装 Sublime Text 2
1\ Add the PPA and install Sublime Text 2 in Ubuntu

   sudo apt-get install sublime-text-2-beta   or   sudo apt-get install sublime-text-2-dev   

3\ 右键菜单open with增加Sublime Text2
第二步安装了后会生成 /usr/share/applications/sublime-text-2.desktop
sudo gedit ~/.local/share/applications/mimeapps.list
参考gedit增加一行
text/plain=sublime-text-2.desktop;
4\ 增加别名
gedit ~/.bashrc
增加以下：
#Sublime Text 2
alias sub='sublime-text-2'
5\ 单独安装包下载：http://www.sublimetext.com/