shell.register(new ShowCommand(shell));
shell.register(new CreateCommand(shell));
shell.register(new DeleteCommand(shell));
shell.register(new UpdateCommand(shell));
shell.register(new CloneCommand(shell));
shell.register(new SubmissionCommand(shell));
// Let's see if user do have resource file with initial commands that he
// would like to apply.
String homeDir = System.getProperty(Constants.PROP_HOMEDIR);
File rcFile = new File(homeDir, RC_FILE);