Unity Tweak Tool

Unity Tweak Tool (Gnome Tweak Tool) is must have tool for every Linux user because it gives user ability to customize desktop according to your need. You can try new GTK themes, set up desktop hot corners, customize icon set, tweak unity launcher, etc.

Unity Tweak Tool can be very useful to user as it has everything covered right from the basic to advanced configurations.

$ sudo apt-get install unity-tweak-tool