Topham, Douglas W., 1942- <br/><br/>
InfoWorld  a DOS user's guide to UNIX 
Douglas Topham 
 - New York :  Brady,  1990 
 - xiii, 273 p. :  ill. ;  24 cm. + 1 UNIX quick reference (6 p.) 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0132190982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX (Computer file)