Stultz, Russell Allen. <br/><br/>
Illustrated MS-DOS 5.0 and all previous MS/PC-DOS versions / 
Russell A. Stultz. 
 - 7th ed. 
 - Delhi. :  BPB Pub.,  c1991. 
 - ix, 302 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>1556222149 : 
<br/><br/><label>Dewey Class. No.: </label>005.43  / STU