The official Ubuntu book  [electronic resource] / 
Matthew Helmke ... [et al.]. 
 - 8th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  2014 
 - 1 online resource (1 v.) :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780133905694 0133905691 
<br/><br/><label>Source: </label>CL0500000468  Safari Books Online 
<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>Index Terms--Genre/Form: </label><br/>Electronic books.