卸载libreoffices
~$ sudo apt-get remove libreoffice-common
卸载Amazon的链接
~$ sudo apt-get remove unity-webapps-common
卸载一些预装软件
~$ sudo apt-get remove thunderbird totem rhythmbox empathy brasero simple-scan gnome-mahjongg aisleriot gnome-mines cheese transmission-common gnome-orca webbrowser-app gnome-sudoku landscape-client-ui-install sudo apt-get remove onboard deja-dup
附：导航栏放在底部
~$ gsettings set com.canonical.Unity.Launcher launcher-position Bottom
点击图标最小化
~$ gsettings set org.compiz.unityshell:/org/compiz/profiles/unity/plugins/unityshell/ launcher-minimize-window true