grmiregistry --version (return code: 0)
rmiregistry (GNU Classpath) 0.99 Copyright 2008 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
grmiregistry --help (return code: 0)
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