checkisomd5 - Man Page

check an MD5 checksum implanted by implantisomd5


checkisomd5 [--md5sumonly]  [--verbose]  [--gauge]  [isofilename  | blockdevice ]


This manual page documents briefly the checkisomd5 command.  checkisomd5 is a program that checks an embedded MD5 checksum in a ISO9660 image (.iso), or block device.  The checksum is embedded by the corresponding implantisomd5 command.

The check can be aborted by pressing Esc key.

Exit Status

Program returns exit status 0 if the checksum is correct, 1 if the checksum is incorrect or non-existent, or 2 if the check was aborted.



Do not check the target.  Instead, output human-readable information about the target's checksums.


Display human-readable progress as the target is checked.  Without this option, nothing is outputted except errors.


Display a series of numbers from 0 to 100, corresponding to check progress.  This output can be piped to dialog --gauge for a user-friendly progress bar.

See Also

implantisomd5 (1).

Referenced By