Computer Science
GPASSWD(1) GPASSWD(1)
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 pass-
word. 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)
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