Garfinkel, Simson. <br/><br/>
Practical UNIX and Internet security / 
Simson Garfinkel and Gene Spafford. 
 - 2nd ed., expanded & updated. 
 - Bonn :  O'Reilly & Associates,  c1996. 
 - xxix, 971 p. :  ill. ;  24 cm. 
 - Computer security. .
 - Computer security (Sebastopol, Calif.) .
<br/><br/> Rev. ed. of: Practical UNIX security. c1991. 
<br/><br/>Includes bibliographical references (p. 877-888) and index. 
<br/><br/><label>ISBN: </label>9781565921481 (pbk.)  Hadiah 1565921488 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>UNIX (Computer file).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers).<br/>Computer security.<br/>Internet--Congresses.