...
NOTE: The group list should contain NO SPACES; this includes between group names comprised of multiple words (use an underscore _ ), or following the group name. However, within the terminal commas are used to separate the different groups.
Once you have completed adding your group, click the Add button to confirm or Cancel to close the dialog. The NMIS Configuration window will open, centered on the group_list, to allow you to confirm the change. When you are satisfied simply close this window.
...