Das, Sumitabha <br/><br/>
UNIX: Concepts and applications 

 - 4th ed. 
 - Chennai  McGraw Hill  2018 
 - 671p. p. 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Dewey Class. No.: </label>001.6424 D26U