cmdRegistry.registerHandler(new ClearScreenHandler(), "clear", "cls");
cmdRegistry.registerHandler(new CommandCommandHandler(cmdRegistry), "command");
cmdRegistry.registerHandler(new ConnectHandler(), "connect");
cmdRegistry.registerHandler(new HelpHandler(), "help", "h");
cmdRegistry.registerHandler(new HistoryHandler(), "history");
cmdRegistry.registerHandler(new LsHandler(), "ls");
cmdRegistry.registerHandler(new PrintWorkingNodeHandler(), "pwd", "pwn");
cmdRegistry.registerHandler(new QuitHandler(), "quit", "q", "exit");
cmdRegistry.registerHandler(new ReadAttributeHandler(this), "read-attribute");
cmdRegistry.registerHandler(new ReadOperationHandler(this), "read-operation");
cmdRegistry.registerHandler(new VersionHandler(), "version");