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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
read in text mode (default)
Note: There is no difference between binary and text mode option
on GNU system.
The following three options are useful only when verifying checksums:
don't print OK for each successfully verified file
don't output anything, status code shows success
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 character indicating type ('*' for
binary, ' ' for text), and name for each FILE.
Written by Ulrich Drepper, Scott Miller, and David Madore.
Report sha512sum bugs to email@example.com
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report sha512sum translation bugs to <http://translationpro-
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
GNU coreutils 8.4 November 2015 SHA512SUM(1)