Sarwar, Syed Mansoor. , <br/><br/>
Unix : the textbook 

 - 2nd ed. . 
 - New Delhi:  Pearson Education,  2007. 
 - xxi, 863 p.:  ill.;  24 cm. . 
<br/><br/> Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>9788131716009 
<br/><br/><label>Dewey Class. No.: </label>005.44621 SAR