pmap_dump(8) -- Linux man page
NAMEpmap_dump - print a list of all registered RPC programs
DESCRIPTIONThe pmap_dump command can be used to restart a running portmapper or to print a list of all registered RPC programs on the local host. If you want to use the program to restart the portmapper you have to redirect the output of pmap_dump to a file. After this you can restart the portmapper and restore the list of the registered RPC programs by feeding the output of pmap_dump to the pmap_set command.
SEE ALSOpmap_set(8), portmap(8)