The RTR file follows a well-defined format. It begins with resource type properties, followed by system-defined resource properties, and lastly with extension properties. See the rt_reg(4) man page and Setting Resource and Resource Type Properties for more information.
This section describes the specific properties in the sample RTR file. It provides listings of different parts of the file. For a complete listing of the contents of the sample RTR file, see Resource Type Registration File Listing.