November 15, 2013, 3:50 PM — You can use GNOME Tweak Tool and Unity Tweak Tool to change your configuration options in Ubuntu 13.10.
GNOME Tweak Tool lets you change your theme, icons, font, cursor and more. Unity Tweak tool gives you more options for changing the Unity desktop environment.
1. Open a terminal window.
2. Type in the following command then hit Enter:
sudo apt-get install unity-tweak-tool gnome-tweak-tool
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