Southworth, Rod B. <br/><br/>
PC-DOS/MS-DOS simplified 
Rod B. Southworth. 
 - Boston  Boyd & Fraser  c1988. 
 - x, 146 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0878353089 (pbk.) 
<br/><br/><label>LCCN: </label>88002829  
<br/><br/><label>Subjects--Topical Terms: </label><br/>PC DOS Computer operating system.<br/>MS DOS Computer operating system
<br/><br/><label>LC Class. No.: </label>QA76.76.O63  / S66 1988 
<br/><br/><label>Dewey Class. No.: </label>005.4/46