DAS, S <br/><br/>
UNIX:  concepta and applications 
Sumitabha Das 
 - 4th ed. 
 - New Delhi  Tata McGraw Hill  2006 
 - xxiii,671p. 
<br/><br/><label>ISBN: </label>978-0-07-063546-3  625.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX-COMPUTER OPERATING SYSTEM
<br/><br/><label>Dewey Class. No.: </label>COMP 001.6425U  / DSt12