The user name that is specified when registering to the system is called the main user name. Main user name has administrator privilege. The main user is the most authoritative user with many privileges, such as adding users, adding groups, changing user passwords, deleting users, deleting groups, and assigning pro users. The main user adds users who will support Customers under the "Administrators" main group. The main user can add admin user with "super admin" option. The super admin user also has the privileges of adding users, adding groups, changing user passwords, deleting users, deleting groups, and assigning pro users.
