Gopalan, N.P . <br/><br/>
A Beginners`s Guide ti Unix /  Textual Documents 
N.P.Gopalan,B.Sivaselvan. 
 - Ist ed / 
 - New Delhi :  PHI Learning Pvt Ltd ,  2009. 
 - 272p ;  23cm. 
<br/><br/><label>ISBN: </label>978-81-203-3786-2 
<br/><br/><label>Subjects--Index Terms: </label>Computer Programming G-Computer 
<br/><br/><label>Dewey Class. No.: </label>005.43  / Go 646 Be