Gamgi->Reset asks confirmation to restart GAMGI.
Because this is a very sensitive operation, users are not allowed 
to perform any other task until answering the question (not even 
consulting the 
Help).
Pressing 
Ok, GAMGI removes all the objects, cleans the history archives, 
exits all the actions that were taking place and keeps only a single empty window, 
as in the beginning.
However GAMGI does not reset the configuration information, so for example, 
changes in atom default properties and bond length limits, introduced by the 
user, are still valid after 
Gamgi->Reset.