Bresnahan, Christine. <br/><br/>
CompTIA :   linux+ study guide ecams xko-004 / 
Christine Bresnahan and Richard Blum. 
 - Fourth edition. 
 - Indianapolis :  John Wiley & Sons,  2019. 
 - lxi, 865 pages :  illustrations. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9781119784241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linux--Examinations--Study guides.<br/>Operating systems --Computers--Examinations--Study guides.<br/>Electronic data processing personnel--Certification.
<br/><br/><label>LC Class. No.: </label>QA 76.774  / BRE 2019.