Das, Sumitabha  <br/><br/>
Unix  

 - 4th  
 - Tata mcgraw hill company Ltd.   New Delhi   2012 
 - XVIII, 671p.   599 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems 
<br/><br/><label>Dewey Class. No.: </label>005.43 DAS