Das Sumitabha  <br/><br/>
UNIX : Concepts and Applications 

 - 4th ed. 
 - Chennai  Mc Graw Hill  2006 
 - 671p. 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Dewey Class. No.: </label>005.43 DAS  / DAS