Turnbull, James. <br/><br/>
Hardening Linux / 

 - Calfornia   Apress.  c2005. 
 - xxvii, 552p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1590594444 
<br/><br/><label>Dewey Class. No.: </label>005.8