These files are used for setting up networking on RPCEmu. Please refer to the guide at http://www.marutan.net/rpcemu/manual/network.html for full instructions on how to configure networking for Linux and Windows. These two directories need to be merged (dropped over the top of) with the directories inside your !Boot. !System is normally !Boot.Resources.!System and Autosense moves depending on which version of RISC OS is used, use the RISC OS filer to search for it. Remember you will also need to have the Castle 32bit SharedCLibary installed for these to work. See the guide for more details and the URL.