md5sum - phpMan

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)

       -z, --zero
              end each output line with NUL, not newline, and disable file name escaping

   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 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 space, a
       character indicating input mode ('*' for binary, ' ' for text or where binary is insignif-
       icant), and name for each FILE.

       Note: There is no difference between binary mode and text mode on GNU systems.

BUGS
       Do not use the MD5 algorithm for security related purposes.  Instead, use an  SHA-2  algo-
       rithm, implemented in the programs sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1),
       or the BLAKE2 algorithm, implemented in b2sum(1)

AUTHOR
       Written by Ulrich Drepper, Scott Miller, and David Madore.

REPORTING BUGS
       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2020 Free Software Foundation, Inc.  License GPLv3+: GNU GPL  version  3  or
       later <https://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 <https://www.gnu.org/software/coreutils/md5sum>
       or available locally via: info '(coreutils) md5sum invocation'

GNU coreutils 8.32                        February 2024                                 MD5SUM(1)

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