tldr/pages/linux/md5sum.md

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# md5sum
> Calculate MD5 cryptographic checksums.
- Calculate the MD5 checksum for file(s) or files in a directory, one checksum per file:
`md5sum {{filename1}}`
`md5sum {{filename1}} {{filename2}}`
`md5sum {{directory/\*}}`
- Read a file of MD5SUMs and verify all files have matching checksums:
`md5sum -c {{filename.md5}}`