MICROSOFT. <br/><br/>
Microsoft MS-DOS 6 FOR THE MS DOS Operating systems :  concise user's guide. 

 - ed. 
 - new york :  microsoft cooperation,  1993. 
 - 129  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>microsoft.