CMDisk is a utility 3-pack from NoVaSoft
containing CMCopy, a diskette duplicating
program, CMFormat, a diskette formatter, and
CMScan, a diskette scanner. All are menu-
driven for ease of use, and recognize DSDD
and DSHD formats on 5.25" and 3.5" diskettes.
Tiny and agile alternatives to the DOS
utilities, written in optimized Assembly
language.  
Inexpensive shareware by C. F. Martin <ASP>.