Connects to portmapper and fetches a list of all registered programs. It then prints out a table including (for each program) the RPC program number, supported version numbers, port number and protocol, and program name. SYNTAX: nfs.version: number If set overrides the detected version of nfs mount.version: number If set overrides the detected version of mountd rpc.protocol: table If set overrides the preferred order in which protocols are tested. (ie. 'tcp', 'udp')