Microsoft DOS diskcomp command
Compares the contents of a floppy disk in the source drive to the contents of a floppy disk in the target drive.
The diskcomp command is an external command and is available in the below Microsoft operating systems as diskcomp.com.
Note: 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:
This command cannot be used with a hard drive and must be only used with floppies that are the identical size.
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.