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NAME | DESCRIPTION | FILES | SEE ALSO | COLOPHON |
GSHADOW(5) File Formats and Conversions GSHADOW(5)
gshadow - shadowed group file
/etc/gshadow contains the shadowed information for group accounts.
This file must not be readable by regular users if password security
is to be maintained.
Each line of this file contains the following colon-separated fields:
group name
It must be a valid group name, which exist on the system.
encrypted password
Refer to crypt(3) for details on how this string is interpreted.
If the password field contains some string that is not a valid
result of crypt(3), for instance ! or *, users will not be able
to use a unix password to access the group (but group members do
not need the password).
The password is used when a user who is not a member of the group
wants to gain the permissions of this group (see newgrp(1)).
This field may be empty, in which case only the group members can
gain the group permissions.
A password field which starts with an exclamation mark means that
the password is locked. The remaining characters on the line
represent the password field before the password was locked.
This password supersedes any password specified in /etc/group.
administrators
It must be a comma-separated list of user names.
Administrators can change the password or the members of the
group.
Administrators also have the same permissions as the members (see
below).
members
It must be a comma-separated list of user names.
Members can access the group without being prompted for a
password.
You should use the same list of users as in /etc/group.
/etc/group
Group account information.
/etc/gshadow
Secure group account information.
gpasswd(5), group(5), grpck(8), grpconv(8), newgrp(1).
This page is part of the shadow-utils (utilities for managing
accounts and shadow password files) project. Information about the
project can be found at ⟨http://pkg-shadow.alioth.debian.org/⟩. If
you have a bug report for this manual page, see
⟨http://pkg-shadow.alioth.debian.org/getinvolved.php⟩. This page was
obtained from the project's upstream Git repository
⟨git://anonscm.debian.org/git/pkg-shadow/shadow.git⟩ on 2017-07-05.
If you discover any rendering problems in this HTML version of the
page, or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
shadow-utils 4.4 07/05/2017 GSHADOW(5)
Pages that refer to this page: gpasswd(1), newgrp(1), sg(1), group(5), grpck(8), vigr(8), vigr(8@@util-linux), vipw(8)