Robbins, Arnold. <br/><br/>
UNIX in a nutshell  

 - 4th ed. 
 - Beijing ;;Cambrige, Mass.   O'Reilly,  2006 
<br/><br/><label>ISBN: </label>0596100299 (pbk.);9780596100292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>5.432