Das, Sumitabha  <br/><br/>
UNIX  concepts and applications 
Sumitabha Das 
 - 4th ed. 
 - New Delhi  Tata McGraw-Hill Education (India) Private Limited  2006 
 - xxi, 671p. 
<br/><br/><label>ISBN: </label>9780070635463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)<br/>UNIX (Computer file)
<br/><br/><label>Dewey Class. No.: </label>005.282 D26u4