Garfinkel, Simson <br/><br/>
Practical unix and internet security 

 - 2nd 
 - Mumbai  Shroff  1999 
 - xxix, 971p p. 
<br/><br/><label>ISBN: </label>81-7366-075-1 
<br/><br/><label>Subjects--Index Terms: </label>Computer programming languages (Electronic computers)