Tornsdorf, M. (Manfred), 1960-.

DOS 6 complete covers all versions to 6.2 Manfred Tornsdorf and Helmut Tornsdorf. -- Grand Rapids, Mich Abacus 1994.

xiii, 808 p ill. 24 cm. 1 computer disk (3 1 in.).

ISBN:  1557552517

Includes index 

1. Operating systems (Computers) 

I. Tornsdorf, H. (Helmut), 1951- 

QA76.76 O63T6753 1994