public function help() {
        $this->showHeader();
        echo "ufw - Helper to uFw framework\n\nOptions:\n";
        foreach (self::HELP['options'] as $helpOption => $helpDescription) {
            echo "\n   $helpOption \t " . ($helpDescription['summary'] ?? "");
            if (array_key_exists('examples', $helpDescription)) {
                echo "\n            \t Ex:";
                foreach ($helpDescription['examples'] as $example) {
                    echo "\n           \t   $example";
                }
                echo "\n";
            }
        }
        echo "\n";
    }