Braithwaite, Ken S. DOS to OS conversion / Kenmore S. Brathwaite. - New York : Wiley, c1986. - xviii, 242 p. ; 24 cm. ISBN: 0471825786 Subjects--Topical Terms: Operating systems (Computers) LC Class. No.: QA76.76.O63 / B73 1986 Dewey Class. No.: 005.4/46�19