Short: Blockwise disk compare

DCmp		A utility that allows you to compare two disks block by block.
		Written in order to check the reliability of the Video-Backup-
		System, (VBS),  DCmp can create a file containing a list of
		differing sectors which can be used in conjunction with a
		disk-editor to correct the defects.  Version 1.51, an experi-
		mental release.  Works with all Amigas using Kickstart 1.3
		or higher and supports req[tools].library.  Also comes with
		FCmp, a file compare utilility.  Includes C-source.
		Author:  Tobias Ferber