Thomas, Robert M. <br/><br/>
Dos 6 & 6.2 Instant Reference / 
Thomas, Robert M. 
 - 348 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)<br/>PC-DOS (Computer file)<br/>MS-DOS (Computer file)
<br/><br/><label>Dewey Class. No.: </label>005.4469