Jang, Michael H. <br/><br/>
Ubuntu certified professional study guide (Exam LPI 199) / 
Michael Jang. 
 - New York :  McGraw-Hill,  c2008. 
 - xxvii, 547 p. :  ill. ;  23 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0071591109 9780071591102 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ubuntu (Electronic resource)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing personnel--Certification.<br/>Operating systems (Computers)--Examinations--Study guides.