USING Ms-dos 5  
x. 
 - Carmel.  Que Corporation.  1991 
 - xx, 728 p. 
<br/><br/> Includes appendixes & Index. 
<br/><br/><label>ISBN: </label>880226684 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating system
<br/><br/><label>Dewey Class. No.: </label>5.432  / USI