$ curl cheat.sh/
# sha512sum
# Calculate SHA512 cryptographic checksums.
# More information: <https://www.gnu.org/software/coreutils/manual/html_node/sha2-utilities.html>.

# Calculate the SHA512 checksum for a file:
sha512sum path/to/file

# Calculate SHA512 checksums for multiple 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

# Read a file of SHA512 sums 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 for files for which verification fails, ignoring missing files:
sha512sum --ignore-missing --check --quiet path/to/file.sha512

$
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