Das, Sumitabha. <br/><br/>
Unix : concepts and applications   

 - New Delhi :   Tmh,   2006. 
<br/><br/><label>ISBN: </label>0070644563 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Sciences
<br/><br/><label>Dewey Class. No.: </label>005.422  / DAS