Xubuntu ( /zuːˈbuːntuː/ zoo-BOON-too) is a Canonical Ltd. recognized, community maintained derivative of the Ubuntu operating system, using the Xfce desktop environment.
The name Xubuntu is a portmanteau of Xfce and Ubuntu. Xfce originally was an abbreviation for XForms Common Environment, while Ubuntu means "humanity towards others" in the Zulu and Xhosa languages.
Read more about Xubuntu: Goals, History, Applications, Releases, Derivatives