Von Hagen, William. Ubuntu Linux bible / William von Hagen. - Indianapolis, IN : Wiley Pub., c2007. - xxvi, 904 p. : ill. ; 23 cm. + 1 CD-ROM (4 3/4 in.) Includes index. ISBN: 0470038993 (pbk.) Subjects--Uniform Titles: Linux. Subjects--Topical Terms: Operating systems (Computers)