mbadblocks

Check and repair floppy disk problems, test an MS-DOS disk, and mark bad blocks in the FAT

Syntax
      mbadblocks drive:

All unused bad blocks are marked as such in the FAT. This is intended to be used right after mformat. It is not intended to salvage bad disks.

bugs
Mbadblocks should (but doesn't yet) also try to salvage bad blocks which are in use by reading them repeatedly, and then mark them bad.

"All things can corrupt perverted minds" - Ovid (tristia)

Related Linux Bash commands:

mtools - Manipulate MS-DOS files
cksum - Print CRC checksum and byte counts

Equivalent Windows XP commands:

CHKDSK - Check Disk - check and repair disk problems