Sumitabha Das <br/><br/>
Unix : concepts and applications 

 - 2 
 - New Delhi  Tata McGraw-Hill  1998 
 - xxv, 565p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>74630903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating system<br/>Operating system -- Unix