Switzer, Robert. <br/><br/>
Operating systems:  a practical approach / 
Robert Switzer. 
 - New York:  Prentice-Hall,  1993. 
 - 463 p. :   ill. ;   24 cm. 
<br/><br/><label>ISBN: </label>013640152X  RM51.74 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers).