First look at-- DOS/ 
Gwynne Larsen and Verlene Leeburg. 
 - New York, Mitchell McGraw-Hill, :  MIT Press,  1992. 
 - viii, 136  p. :  ills ;  23 cm. 
<br/><br/><label>ISBN: </label>0070365857 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS-DOS (Computer file)<br/>PC-DOS (Computer file)<br/>Operating systems (Computers
<br/><br/><label>Dewey Class. No.: </label>