Helmke, Matthew <br/><br/>
Ubuntu unleashed / 
Matthew Helmke 
 - 7th ed. 
 - Indianapolis, Indiana :  Sams Pub.,  c2012 
 - xxvi, 822 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9780672335785 0672335786 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ubuntu (Electronic resource)<br/>Linux
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)