TY  - BOOK
AU  - Hutchinson,Sarah E.
AU  - Sawyer,Stacey C.
AU  - Coulthard,Glen J.
TI  - DOS 6
SN  - 025615791x
U1  - 005.43 H975 1994 
PY  - 1994///
CY  - Illinois
PB  - Irwin
KW  - DOS
KW  - Operating systems
N1  - Includes appendix and index
ER  -