SHA512SUM(1) User Commands SHA512SUM(1)
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.
read in binary mode
read SHA512 sums from the FILEs and check them
--tag create a BSD-style checksum
read in text mode (default)
The following five options are useful only when verifying checksums:
don't fail or report status for missing files
don't print OK for each successfully verified file
don't output anything, status code shows success
exit non-zero for improperly formatted checksum lines
warn about improperly formatted checksum lines
--help display this help and exit
output version information and exit
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 space, a character indicating input
mode ('*' for binary, ' ' for text or where binary is insignificant),
and name for each FILE.
Written by Ulrich Drepper, Scott Miller, and David Madore.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report sha512sum translation bugs to <http://translationpro-
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Full documentation at: <http://www.gnu.org/software/core-
or available locally via: info '(coreutils) sha2 utilities'
GNU coreutils 8.28 January 2018 SHA512SUM(1)
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