Das, Sumithaba <br/><br/>
Unix :  concepts and applications 

 - 4th ed. 
 - Chennai:  McGraw Hill Education (India) Private Limited,  2017. 
 - xxi, 671 p. 
<br/><br/><label>ISBN: </label>9780070635463 0070635463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unix operating system
<br/><br/><label>Dewey Class. No.: </label>005.432 DAS