Das, Sumitabha  <br/><br/>
Unix Concept And Applications  

 - 4th  
 - New Delhi  Tata Mc Graw Hill Publishing Company   2007 
 - 500p. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Dewey Class. No.: </label>005.432  / DAS