DAS S <br/><br/>
UNIX CONCEPTS AND APPLICATIONS 

 - FOURTH 
 - NEW DELHI  Tata McGraw-Hill  2008 
 - xxi+671p 
<br/><br/><label>ISBN: </label>10;0-07-0635 
<br/><br/><label>Dewey Class. No.: </label>621.3819642 D229