1 .\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.3.
2 .TH MD5SUM "1" "January 2016" "GNU coreutils 8.25" "User Commands"
4 md5sum \- compute and check MD5 message digest
7 [\fI\,OPTION\/\fR]... [\fI\,FILE\/\fR]...
9 .\" Add any additional description here
11 Print or check MD5 (128\-bit) checksums.
13 With no FILE, or when FILE is \-, read standard input.
15 \fB\-b\fR, \fB\-\-binary\fR
18 \fB\-c\fR, \fB\-\-check\fR
19 read MD5 sums from the FILEs and check them
22 create a BSD\-style checksum
24 \fB\-t\fR, \fB\-\-text\fR
25 read in text mode (default)
26 .SS "The following five options are useful only when verifying checksums:"
28 \fB\-\-ignore\-missing\fR
29 don't fail or report status for missing files
32 don't print OK for each successfully verified file
35 don't output anything, status code shows success
38 exit non\-zero for improperly formatted checksum lines
40 \fB\-w\fR, \fB\-\-warn\fR
41 warn about improperly formatted checksum lines
44 display this help and exit
47 output version information and exit
49 The sums are computed as described in RFC 1321. When checking, the input
50 should be a former output of this program. The default mode is to print a
51 line with checksum, a space, a character indicating input mode ('*' for binary,
52 \&' ' for text or where binary is insignificant), and name for each FILE.
54 The MD5 algorithm should not be used any more for security related purposes.
55 Instead, better use an SHA\-2 algorithm, implemented in the programs
56 sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1)
58 Written by Ulrich Drepper, Scott Miller, and David Madore.
60 GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
62 Report md5sum translation bugs to <http://translationproject.org/team/>
64 Copyright \(co 2016 Free Software Foundation, Inc.
65 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
67 This is free software: you are free to change and redistribute it.
68 There is NO WARRANTY, to the extent permitted by law.
70 Full documentation at: <http://www.gnu.org/software/coreutils/md5sum>
72 or available locally via: info \(aq(coreutils) md5sum invocation\(aq