Das, Sumitabha <br/><br/>
Unix Concepts and Applications 

 - 2nd 
 - New Delhi  Tata Mc Graw Hill Publishing Company  2011 
 - 565p. 
<br/><br/><label>ISBN: </label>0074630903 
<br/><br/><label>Dewey Class. No.: </label>005.432  / DAS