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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.35.
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.TH SHA512SUM "1" "October 2012" "GNU coreutils 8.20" "User Commands"
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sha512sum \- compute and check SHA512 message digest
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[\fIOPTION\fR]... [\fIFILE\fR]...
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.\" Add any additional description here
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Print or check SHA512 (512\-bit) checksums.
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With no FILE, or when FILE is \-, read standard input.
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\fB\-b\fR, \fB\-\-binary\fR
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\fB\-c\fR, \fB\-\-check\fR
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read SHA512 sums from the FILEs and check them
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create a BSD\-style checksum
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\fB\-t\fR, \fB\-\-text\fR
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read in text mode (default)
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.SS "The following three options are useful only when verifying checksums:"
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don't print OK for each successfully verified file
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don't output anything, status code shows success
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\fB\-w\fR, \fB\-\-warn\fR
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warn about improperly formatted checksum lines
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with \fB\-\-check\fR, exit non\-zero for any invalid input
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display this help and exit
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output version information and exit
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The sums are computed as described in FIPS\-180\-2. When checking, the input
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should be a former output of this program. The default mode is to print
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a line with checksum, a character indicating input mode ('*' for binary,
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space for text), and name for each FILE.
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Written by Ulrich Drepper, Scott Miller, and David Madore.
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Report sha512sum bugs to bug\-coreutils@gnu.org
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GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
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General help using GNU software: <http://www.gnu.org/gethelp/>
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Report sha512sum translation bugs to <http://translationproject.org/team/>
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Copyright \(co 2012 Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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The full documentation for
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is maintained as a Texinfo manual. If the
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programs are properly installed at your site, the command
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.B info coreutils \(aqsha512sum invocation\(aq
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should give you access to the complete manual.