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

 - 2 Ed. 
 - New Delhi  Tata McGraw - Hill Publishing Company Limited  2006 
 - 671p. 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER
<br/><br/><label>Dewey Class. No.: </label>681.3