O'Shea, G. <br/><br/>
Security in computer operating systems  [Books]. 
G. O'Shea. 
 - Oxford  NCC Blackwell Limited  1991 
 - Pages: 318 
<br/><br/><label>ISBN: </label>0850128129  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computers -- Access control.<br/>Data protection.<br/>Operating systems (Computers).
<br/><br/><label>Dewey Class. No.: </label>QA/76.9.A25  / OSH