tldr/pages/common/sha224sum.md

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# sha224sum
> Calculate SHA224 cryptographic checksums.
- Calculate the SHA224 checksum for a file:
`sha224sum {{filename1}}`
- Calculate SHA224 checksums for multiple files:
`sha224sum {{filename1}} {{filename2}}`
- Calculate and save the list of SHA224 checksums to a file:
`sha224sum {{filename1}} {{filename2}} > {{filename.sha224}}`
- Read a file of SHA224 sums and verify all files have matching checksums:
`sha224sum --check {{filename.sha224}}`
- Only show a message for files for which verification fails:
`sha224sum --check --quiet {{filename.sha224}}`