Epson CW3S16 Operation Manual page 105

A > COPY MAYSALES. * B:
will copy all files about MAYSALES to the B drive.
A final example:
A>COPY .* C:
l
will copy all of the files on a diskette in the A drive to the
hard disk drive. This command is useful when backing up
diskettes containing data files.
Using Floppy Disks 5-13