Fserve enabled, available commands:

'LS', 'DIR'                   get a listing of files
'CD [dirname]'                enter a folder
'CD ..'                       enter the parent folder
'TEXT', 'BINARY', 'MACBINARY' set the transfer protocol (default is Binary)
'GET'                         get a file

A sample !message file for the fserve folder.
put a !message file in every subfolder to explain about its contents for example.