Palmer, Michael. <br/><br/>
Guide to operating systems security/ 
Michael Palmer. 
 - Boston :  Course Technology Cengage Learning,  2004. 
 - xxii, 618 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780619160401 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security.<br/>Computer networks--Security measures.