If these commands are entered by hand, they will force Nibelung into ring mode anyway. Inst' is filled in automatically by the CGI the first time ring mode is entered, as described below. Adds a new site to the user's list. Removes the 'here' site from the list. Changes the 'here' site's URL, description, or private info, using fields in the same way as Add.
Freeze moves the 'here' site into the inactive site list.
Site will appear in list mode but not ring mode. Unfreeze does the opposite. These tasks control a flag in the master list which determines whether this user's list will be displayed when someone requests the master list. It merely makes the list less visible to the world. Site' is the user's name, 'desc' is the title of the user's list, and 'info' is the user's email.