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sha256sum(1) [centos man page]

SHA256SUM(1)							   User Commands						      SHA256SUM(1)

NAME
sha256sum - compute and check SHA256 message digest SYNOPSIS
sha256sum [OPTION]... [FILE]... DESCRIPTION
Print or check SHA256 (256-bit) checksums. With no FILE, or when FILE is -, read standard input. -b, --binary read in binary mode -c, --check read SHA256 sums from the FILEs and check them --tag create a BSD-style checksum -t, --text read in text mode (default) Note: There is no difference between binary and text mode option on GNU system. The following four options are useful only when verifying checksums: --quiet don't print OK for each successfully verified file --status don't output anything, status code shows success --strict exit non-zero for improperly formatted checksum lines -w, --warn warn about improperly formatted checksum lines --help display this help and exit --version 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 input mode ('*' for binary, space for text), and name for each FILE. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report sha256sum translation bugs to <http://translationpro- ject.org/team/> AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore. COPYRIGHT
Copyright (C) 2013 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. SEE ALSO
The full documentation for sha256sum is maintained as a Texinfo manual. If the info and sha256sum programs are properly installed at your site, the command info coreutils 'sha256sum invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 SHA256SUM(1)

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SHA256SUM(1)                                                       User Commands                                                      SHA256SUM(1)

NAME
sha256sum - compute and check SHA256 message digest SYNOPSIS
sha256sum [OPTION]... [FILE]... DESCRIPTION
Print or check SHA256 (256-bit) checksums. With no FILE, or when FILE is -, read standard input. -b, --binary read in binary mode -c, --check read SHA256 sums from the FILEs and check them --tag create a BSD-style checksum -t, --text read in text mode (default) The following five options are useful only when verifying checksums: --ignore-missing don't fail or report status for missing files --quiet don't print OK for each successfully verified file --status don't output anything, status code shows success --strict exit non-zero for improperly formatted checksum lines -w, --warn warn about improperly formatted checksum lines --help display this help and exit --version 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. AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report sha256sum translation bugs to <http://translationproject.org/team/> COPYRIGHT
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. SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/sha256sum> or available locally via: info '(coreutils) sha2 utilities' GNU coreutils 8.28 January 2018 SHA256SUM(1)
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