Srirengan, K <br/><br/>
Understanding unix 

 - New Delhi  Prentice-Hall  1999 
 - viii, 205p.  
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>8120314891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating system<br/>Operating system -- Unix