Raggi, Emilio. , Beginning Ubuntu Linux / Emilio Raggi, Keir Thomas, and Sander van Vugt. - 6th ed. - xxviii, 628 pages : illustrations ; 24 cm. ISBN: 9781430236269 1430236264 Subjects--Topical Terms: Operating systems (Computers). LC Class. No.: QA76.76.O63 / .R44 2011