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Note that the ash is the default shell. Synergy selected ash because it is a lightweight version of bash and generally compatible.
Connecting with Clients
To show up on the Mac find SHARED did a variation of this, http://www.iceycake.com/2009/03/tutorial-how-to-auto-mount-afp-share-in-mac-os-x-leopard/ and selected just one folder then all the others show up.