Das, Sumitabha. <br/><br/>
Unix : concepts and applications /  
by Sumitabha Das. 
 - 4th ed /   . 
 - New Delhi :   Tata McGraw Hill Education. 
 - 671p. :   figures ;   26cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780070635463  RS395.00 
<br/><br/><label>Subjects--Index Terms: </label>COMPUTER SCIENCE 
<br/><br/><label>Dewey Class. No.: </label>005.432UNI  / DAS/U