DAS, S <br/><br/>
UNIX :  concepta and applications 
Sumitabha Das 
 - 4th ed. 
 - Cennai  Tata McGraw Hill  2018 
 - xxi,671p. 
<br/><br/><label>ISBN: </label>9780070635463  INR 750.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX-COMPUTER OPERATING SYSTEM
<br/><br/><label>Dewey Class. No.: </label>COMP 001.6425U  / DSt18