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sha1sum(1) [centos man page]

SHA1SUM(1)							   User Commands							SHA1SUM(1)

NAME
sha1sum - compute and check SHA1 message digest SYNOPSIS
sha1sum [OPTION]... [FILE]... DESCRIPTION
Print or check SHA1 (160-bit) checksums. With no FILE, or when FILE is -, read standard input. -b, --binary read in binary mode -c, --check read SHA1 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-180-1. 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 sha1sum 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 sha1sum is maintained as a Texinfo manual. If the info and sha1sum programs are properly installed at your site, the command info coreutils 'sha1sum invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 SHA1SUM(1)

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SHA1SUM(1)							   User Commands							SHA1SUM(1)

NAME
sha1sum - compute and check SHA1 message digest SYNOPSIS
sha1sum [OPTION]... [FILE]... DESCRIPTION
Print or check SHA1 (160-bit) checksums. With no FILE, or when FILE is -, read standard input. -b, --binary read in binary mode -c, --check read SHA1 sums from the FILEs and check them -t, --text read in text mode (default) The following three 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 -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-180-1. 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. AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore. REPORTING BUGS
Report sha1sum bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> COPYRIGHT
Copyright (C) 2009 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 sha1sum is maintained as a Texinfo manual. If the info and sha1sum programs are properly installed at your site, the command info coreutils 'sha1sum invocation' should give you access to the complete manual. GNU coreutils 7.1 July 2010 SHA1SUM(1)

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