Davis, William S.,   1943- <br/><br/>
Operating systems :  a systematic view /  [Books]. 
William S. Davis.  
 - 3rd ed. 
 - Reading, Mass. :   Addison-Wesley Pub. Co.,   1987. 
 - 539 pages. :   illustration. ;   25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201111853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)--System