TY  - GEN
AU  - O'Day,Kate
AU  - Angermeyer,John
AU  - Henderson,Harry
ED  - Waite Group.
TI  - Understanding MS-DOS
SN  - 0672272989 (pbk.)
U1  - 00642 
PY  - 1989///
CY  - Carmel, Ind., USA
PB  - H.W. Sams
N1  - Includes index
ER  -