# sha512sum > Calculate SHA512 cryptographic checksums. > More information: . - Calculate the SHA512 checksum for one or more files: `sha512sum {{path/to/file1 path/to/file2 ...}}` - Calculate and save the list of SHA512 checksums to a file: `sha512sum {{path/to/file1 path/to/file2 ...}} > {{path/to/file.sha512}}` - Calculate a SHA512 checksum from `stdin`: `{{command}} | sha512sum` - Read a file of SHA512 checksums and filenames and verify all files have matching checksums: `sha512sum --check {{path/to/file.sha512}}` - Only show a message for missing files or when verification fails: `sha512sum --check --quiet {{path/to/file.sha512}}` - Only show a message when verification fails, ignoring missing files: `sha512sum --ignore-missing --check --quiet {{path/to/file.sha512}}` - Check a known SHA512 checksum of a file: `echo {{known_sha512_checksum_of_the_file}} {{path/to/file}} | sha512sum --check`