Farrow, Rik, 1950- <br/><br/>
UNIX system security  how to protect your data and prevent intruders 
Rik Farrow 
 - Reading, Mass.  Addison-Wesley  1991 
 - 278 p. ; 24 cm. 
<br/><br/><label>ISBN: </label>0201570300 
<br/><br/><label>LCCN: </label>90-044261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security