def METHOD_NAME():
    """
    Return a list of all available services
    CLI Example:
    .. code-block:: bash
        salt '*' service.get_all
    """
    if not os.path.isdir(_GRAINMAP.get(__grains__.get("os"), "/etc/init.d")):
        return []
    return sorted(os.listdir(_GRAINMAP.get(__grains__.get("os"), "/etc/init.d")))