Held, Gilbert,  1943- <br/><br/>
DOS productivity tips & tricks / 
Gilbert Held. 
 - New York :  Wiley,  c1989. 
 - xi, 286 p. :  ill. 
<br/><br/> Cover title: DOS productivity tips and tricks. 
<br/><br/><label>ISBN: </label>0471608955 :  $22.95 
<br/><br/><label>LCCN: </label>90042037     
<br/><br/><label>Subjects--Topical Terms: </label><br/>PC DOS (Computer operating system)<br/>MS-DOS (Computer operating system)