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
-t, --text
read in text mode (default)
The following two options are useful only when verifying checksums:
--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 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 type (`*' for binary, ` ' for text), and name for each FILE.
AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore.
REPORTING BUGS
Report bugs to <bug-coreutils AT gnu.org>.
COPYRIGHT
Copyright (C) 2008 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 md5sum
should give you access to the complete manual.
GNU coreutils 6.9.92.4-f088d-dirty January 2008 MD5SUM(1)
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