Das, S <br/><br/>
Unix concepts and applications 4thedi. 

 - 4th edition. 
 - New Delhi :  Tata Mcgraw-Hill,  2009. 
 - 671 
<br/><br/><label>ISBN: </label>0-07-063546--3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer EngineeringInformation Technology
<br/><br/><label>Dewey Class. No.: </label>005.422  / DAS