One Emacs Frame on Ubuntu 12.04

1. cp /usr/share/applications/emacs23.desktop ~/.local/share/applications
2. edit ~/.local/share/applications/emacs23.desktop

- Exec=/usr/bin/emacs %F
+ Exec=/usr/bin/emacsclient -c -n -a "emacs" %F

3. edit ~/.emacs

+ (server-start)