Helmke, Matthew, <br/><br/>
The official Ubuntu book / 
Matthew Helmke, Elizabeth K. Joseph, José Antonio Rey ; with Benjamin Mako Hill. 
 - Ninth edition. 
 - xxxviii, 323 pages :  illustrations ;  24 cm + 1 DVD-ROM (4 3/4 in.)  1 DVD-ROM 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780134513423 0134513428 
<br/><br/><label>LCCN: </label>2016939425 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ubuntu (Electronic resource)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>LC Class. No.: </label>QA76.774.U28  / H45 2017 
<br/><br/><label>Dewey Class. No.: </label>005.4/32