TY  - BOOK
AU  - Close,Kenneth S.
TI  - MS-DOS and PC-DOS: a handbook of essentials 
SN  - 0538800925
PY  - 1989///
CY  - Cincinnati
PB  - South-Western Pub. Co.
KW  - MS-DOS (Computer operating system)
KW  - PC DOS (Computer operating system)
ER  -