,  <br/><br/>
The Ms-Dos 5.0 Operating System 

 - California  Toshiba  0000 
 - 12/20p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>Q30  / M88