Sumitabha Das <br/><br/>
Unix Concepts And Applications 

 - 4th 
 - New Delhi  Tata McGraw-Hill,  2006. 
 - xxi,671p. 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Dewey Class. No.: </label>005.382 DAS