Users handbook .  16 bit pc / xt.  [[Book] :] 

 - w p,  w d. 
 - 236.p. :  ill ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers).
<br/><br/><label>Dewey Class. No.: </label>004.16 
<br/><br/><label>National Library of Medicine Call No.: </label> / U