Helmke, Matthew <br/><br/>
Ubuntu linux unleashed 2021 edition :  unleashed / 
Matthew Helmke 
 - xxvi, 714 p. :  il. 
<br/><br/> En cub.: covers 20.04, 20.10, and 21.04  
<br/><br/><label>ISBN: </label>9780136778851 
<br/><br/><label>LCCN: </label>2020937219 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SISTEMAS OPERATIVOS<br/>LINUX<br/>UBUNTU
<br/><br/><label>Universal Decimal Class. No.: </label>004.451 H479u