Hutchinson, Sarah E. <br/><br/>DOS 5.0 Sarah E. Hutchinson, Stacey Sawyer and Glen J. Coulthard  -- Burr Ridge  Irwin  1993 <br/>x, 197 p.  ill.  28 cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>0256134847 <br/><br/><label>Subjects--Topical Terms: </label><br/>Computer operating system.<br/><br/><label>Dewey Class. No.: </label>GC 005.43 H971 1993