checkisomd5 (1)      - check an MD5 checksum implanted by implantisomd5
cksum (1)            - checksum and count the bytes in a file
cksum (1p)           - write file checksums and sizes
implantisomd5 (1)    - implant an MD5 checksum in an ISO9660 image
innochecksum (1)     - offline InnoDB file checksum utility
shasum (1)           - Print or Check SHA Checksums
sum (1)              - checksum and count the blocks in a file