SHA512SUM ("1") | General commands | Unix Manual Pages | :man▋
sha512sum - compute and check SHA512 message digest
sha512sum [OPTION] [FILE]...
Print or check SHA512 (512-bit) checksums. With no FILE, or when FILE is -, read standard input.
| -b, --binary |
| || read in binary mode |
| -c, --check |
| || read SHA512 sums from the FILEs and check them |
| -t, --text || read in text mode (default) |
"The following two options are useful only when verifying checksums:"
The sums are computed as described in FIPS-180-2. When checking, the input should be a former output of this program. The default mode is to print a line with checksum, a character indicating type (* for binary, for text), and name for each FILE.
| --status |
| || dont output anything, status code shows success |
| -w, --warn || warn about improperly formatted checksum lines |
| --help || display this help and exit |
| --version |
| || output version information and exit |
Written by Ulrich Drepper, Scott Miller, and David Madore.
Report bugs to <firstname.lastname@example.org>.
Copyright © 2007 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.
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