This option specifies how the users for "Show list" and "Autocompletion" are selected in the "Select users and groups" list: If not checked, select only the checked users. If checked, select all non-system users, except the checked ones.
This option specifies how the users for "Show list" and "Autocompletion" are selected in the "Select users and groups" list: If not checked, select only the checked users. If checked, select all non- system users, except the checked ones.