Simpson,Alan <br/><br/>
The best book of  DOS 

 - 1st ed. 
 - Indiana  Howard W Sams and Company  1989 
 - xxvi,629p. 
<br/><br/><label>ISBN: </label>0672226804 
<br/><br/><label>Subjects--Index Terms: </label>DOS - computer opearating system 
<br/><br/><label>Dewey Class. No.: </label>005.43 DOS  / SIM