MS-DOS and Windows command line diskcomp command
The diskcomp command compares the contents of a floppy disk in the source drive to the contents of a floppy disk in the target drive.
Diskcomp is an external command and is available for the following Microsoft operating systems as diskcomp.com.
This command was not included with Microsoft Windows 95, Windows 98, or Windows ME. However, if you upgraded Windows 95 from Windows 3.x, this file would still be available.
Windows 2000, XP, Vista, 7, and 8 syntax
Compares the contents of two floppy disks.
DISKCOMP [drive1: [drive2:]]
Early versions of MS-DOS Syntax
DISKCOMP Source: Target: /1 /8
|Source:||Source drive containing one of the floppy disks to be compared.|
|Target:||Target drive containing the other disk to be compared.|
|/1||Compares only the first side of the disks.|
|/8||Compares the first 8 sectors per track.|
diskcomp a: b: /1
Compares the first side of A: with B:
The diskcomp exit codes are:
0 - Disks are the same.
1 - Disks are different.
2 - Process aborted with Ctrl+C by user.
3 - Critical error.
4 - Initialization error.