Helmke, Matthew <br/><br/>
The official ubuntu book 

 - 5 
 - New Delhi  Pearson Education  2010 
 - xxxvi, 401p.   
<br/><br/> CDBK4635; Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131766743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems -- Ubuntu<br/>Ubuntu -- Operating systems