tldr/pages/linux/sha224sum.md

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# sha224sum
> Calculate SHA224 cryptographic checksums.
- Calculate the SHA224 checksum for file(s) or files in a directory, one checksum per file:
`sha224sum {{filename1}}`
`sha224sum {{filename1}} {{filename2}}`
`sha224sum {{directory/\*}}`
- Read a file of SHA224 sums and verify all files have matching checksums:
`sha224sum -c {{filename.sha224}}`