code: public static void main(String[] args) throws IOException {
      if (!parseInputArgs(args)) {
        usage();
        System.exit(EXIT_FAILED);
      }
      if (sHelp) {
        usage();
        System.exit(EXIT_SUCCEEDED);
      }
  
      dumpJournal();
    }
docs: Dumps a ufs journal in human-readable format.
  
  @param args arguments passed to the tool