
The DISKCOPY command copies the contents of the specified source disk drive
to the destination drive overwriting ALL the information previously on
the destination diskette.

DISKCOPY [d:] [d:][/1]

The first disk drive specified is the source disk, the second is the
destination.  The command will not work on fixed disks.

option:
  /1  - Only the first side of the source diskette is copied regardless of the
        diskette or drive type.
