Usage: rmiregistry [OPTIONS] [PORT]

Registry process control:
  -restart    restart RMI naming service, clearing persistent naming database,
                if any
  -stop       stop RMI naming service

Persistence:
  -persistent             make RMI naming service persistent
  -directory DIRECTORY    directory in which to store persistent data

Debugging:
  -verbose    log binding events to standard out

Standard options:
      -help       print this help, then exit
      -version    print version number, then exit
  -JOPTION        pass argument to the Java runtime