// so boot it asynchronously
        context.terminal = createTerminal(context);
        context.closeables.add(MessageUtils::systemUninstall);
        MessageUtils.registerShutdownHook(); // safety belt
        if (context.coloredOutput != null) {
            MessageUtils.setColorEnabled(context.coloredOutput);
        }
    }

    protected Terminal createTerminal(C context) {
        MessageUtils.systemInstall(