gpasswd(1) -- Linux man page
NAME
gpasswd - administer the /etc/group file
SYNOPSIS
gpasswd group
gpasswd -a user group
gpasswd -d user group
gpasswd -R group
gpasswd -r group
gpasswd [-A user,...] [-M user,...] group
DESCRIPTION
gpasswd
is used to administer the /etc/group file (and /etc/gshadow
file if compiled with SHADOWGRP defined). Every group can
have administrators, members and a password. System
administrator can use -A option to define group
administrator(s) and -M option to define members and
has all rights of group administrators and members.
Group administrator can add and delete users using -a
and -d options respectively. Administrators can use
-r option to remove group password. When no password
is set only group members can use
newgrp(1)
to join the group. Option -R disables
access to the group through
newgrp(1)
command.
gpasswd called by a group administrator with group name only prompts
for the group password. If password is set the members can still
newgrp(1)
without a password, non-members must supply the password.
FILES
/etc/group - group information
/etc/gshadow - shadow group information
SEE ALSO
newgrp(1),
groupadd(8),
groupdel(8),
groupmod(8),
grpck(8)
AUTHOR
Rafal Maszkowski <rzm@pdi.net>
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