by Simon Garfinkel and Gene Spafford <br/><br/>
Practical UNIX security 

 - Sebastopol, Gene  O'Reilly & Assoc  1991 
 - xxviii, 482p. 
 - Computer Security .
<br/><br/><label>ISBN: </label>0937175722 
<br/><br/><label>Dewey Class. No.: </label>005.8  / N914