# gpasswd > Administer "/etc/group" and "/etc/gshadow". - Define group administrators: `sudo gpasswd -A {{user1,user2}} {{group}}` - Set the list of group members: `sudo gpasswd -M {{user1,user2}} {{group}}` - Create a password for the named group: `gpasswd {{group}}` - Add a user to the named group: `gpasswd -a {{user}} {{group}}` - Remove a user from the named group: `gpasswd -d {{user}} {{group}}`