# sha512sum > Calculate SHA512 cryptographic checksums. - Calculate the SHA512 checksum for a file: `sha512sum {{filename1}}` - Calculate SHA512 checksums for multiple files: `sha512sum {{filename1}} {{filename2}}` - Read a file of SHA512 sums and verify all files have matching checksums: `sha512sum -c {{filename.sha512}}` - Verify all files have matching chesksums but don't print OK for succefully verified file: `sha512sum -c --quiet {{filename.sha512}}`