md5sum - compute and check MD5 message digest
md5sum [''OPTION''? [''FILE''?...
md5sum [''OPTION''? --check
Print or check MD5 checksums. With no FILE, or when FILE is
read files in binary mode (default on
check MD5 sums against given list
read files in text mode (default)
The following two options are useful only when verifying
don't output anything, status code shows
warn about improperly formated MD5 checksum
display this help and exit
output version information and exit
The sums are computed as described in RFC 1321. 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.
Written by Ulrich Drepper.
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Copyright 1999 Free Software Foundation, Inc.
This is free software; see the source for copying
conditions. There is NO warranty; not even for
MERCHANTABILITY or FITNESS FOR A PARTICULAR
The full documentation for md5sum is maintained as a
Texinfo manual. If the info and md5sum
programs are properly installed at your site, the
should give you access to the complete manual.