MD5SUM(1) - phpMan

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MD5SUM(1)                                 User Commands                                 MD5SUM(1)



NAME
       md5sum - compute and check MD5 message digest

SYNOPSIS
       md5sum [OPTION]... [FILE]...

DESCRIPTION
       Print  or  check  MD5 (128-bit) checksums.  With no FILE, or when FILE is -, read standard
       input.

       -b, --binary
              read in binary mode

       -c, --check
              read MD5 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 RFC 1321.  When checking, the input should be a for-
       mer  output of this program.  The default mode is to print a line with checksum, a charac-
       ter indicating input mode ('*' for binary, space for text), and name for each FILE.

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report md5sum transla-
       tion bugs to <http://translationproject.org/team/>

BUGS
       The  MD5  algorithm  should  not be used any more for security related purposes.  Instead,
       better use an SHA-2 algorithm, implemented in  the  programs  sha224sum(1),  sha256sum(1),
       sha384sum(1), sha512sum(1)

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  md5sum  is maintained as a Texinfo manual.  If the info and
       md5sum programs are properly installed at your site, the command

              info coreutils 'md5sum invocation'

       should give you access to the complete manual.



GNU coreutils 8.22                        November 2016                                 MD5SUM(1)

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