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    Sau Ha,
    
    Stopping the FCS means that the server finishes all active tasks, 
    deletes all background threads and the process commits suicide
    (in a gracefull manner :-) ).
    
    Disabling the server simply tells the server not to accept any more
    user requests. Requests that are currently running are allowed to
    finish in peace, but no other user requests can be made.  The only
    thing that can be done to a disabled server is system management of
    the server.
    
    In other words, stopping removes the server process from the system and
    the only way to get it back is to start it.
    
    Disabling leaves the server there, but makes it unusable to an 
    ordinary user. You "undo" this by enabling the server.
    
    --Bob
    
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