docs: public static void main(String args[])
      throws FileManagerException, IOException
      {
          HTODDynacache hdc = new HTODDynacache();
          FileManagerImpl mem_manager = new FileManagerImpl("foo1",   // filename
                                                            false,    // coalsece
                                                            "rw",     // mode
                                                            MULTIVOLUME,  // type
                                                            hdc);
          mem_manager.run_tests();
  
          OutputStreamWriter out = new OutputStreamWriter(System.out);
          mem_manager.dump_disk_memory(out);
          mem_manager.dump_memory(out);
          mem_manager.dump_stats(out, false);
          mem_manager.cache_free_storage_info();
          mem_manager.dump_disk_memory(out);
          out.flush();
          out.close();
      }