Garfinkel Simson Ed. <br/><br/>
Practical unix and internet security 

 -  1996 
<br/><br/><label>Standard No.: </label>10945 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),94, N6