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1 | .\" Copyright (c) 1993 Michael Haardt (michael@moria.de), | |
2 | .\" Fri Apr 2 11:32:09 MET DST 1993 | |
3 | .\" | |
4 | .\" %%%LICENSE_START(GPLv2+_DOC_FULL) | |
5 | .\" This is free documentation; you can redistribute it and/or | |
6 | .\" modify it under the terms of the GNU General Public License as | |
7 | .\" published by the Free Software Foundation; either version 2 of | |
8 | .\" the License, or (at your option) any later version. | |
9 | .\" | |
10 | .\" The GNU General Public License's references to "object code" | |
11 | .\" and "executables" are to be interpreted as the output of any | |
12 | .\" document formatting or typesetting system, including | |
13 | .\" intermediate and printed output. | |
14 | .\" | |
15 | .\" This manual is distributed in the hope that it will be useful, | |
16 | .\" but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | .\" GNU General Public License for more details. | |
19 | .\" | |
20 | .\" You should have received a copy of the GNU General Public | |
21 | .\" License along with this manual; if not, see | |
22 | .\" <http://www.gnu.org/licenses/>. | |
23 | .\" %%%LICENSE_END | |
24 | .\" | |
25 | .\" Modified Sat Jul 24 17:06:03 1993 by Rik Faith (faith@cs.unc.edu) | |
26 | .TH GROUP 5 2016-10-08 "Linux" "Linux Programmer's Manual" | |
27 | .SH NAME | |
28 | group \- user group file | |
29 | .SH DESCRIPTION | |
30 | The | |
31 | .I /etc/group | |
32 | file is a text file that defines the groups on the system. | |
33 | There is one entry per line, with the following format: | |
34 | .sp | |
35 | .RS | |
36 | group_name:password:GID:user_list | |
37 | .RE | |
38 | .sp | |
39 | The fields are as follows: | |
40 | .TP 12 | |
41 | .I group_name | |
42 | the name of the group. | |
43 | .TP | |
44 | .I password | |
45 | the (encrypted) group password. | |
46 | If this field is empty, no password is needed. | |
47 | .TP | |
48 | .I GID | |
49 | the numeric group ID. | |
50 | .TP | |
51 | .I user_list | |
52 | a list of the usernames that are members of this group, separated by commas. | |
53 | .SH FILES | |
54 | /etc/group | |
55 | .SH BUGS | |
56 | As the 4.2BSD | |
57 | .BR initgroups (3) | |
58 | man page says: no-one seems to keep | |
59 | .I /etc/group | |
60 | up-to-date. | |
61 | .SH SEE ALSO | |
62 | .BR chgrp (1), | |
63 | .BR gpasswd (1), | |
64 | .BR groups (1), | |
65 | .BR login (1), | |
66 | .BR newgrp (1), | |
67 | .BR sg (1), | |
68 | .BR getgrent (3), | |
69 | .BR getgrnam (3), | |
70 | .BR gshadow (5), | |
71 | .BR passwd (5) |