'List the commands and their usage strings.
:param args is not used here.'

@classmethod
def help(cls):

    logging.info('Commands:')
    logging.info('bootstrap    [-H    <harness>]    Use    harness    to    fetch    control    file')
    logging.info(' DCTB can    also    export    AUTOTEST_HARNESS=<harness>    to    avoid    -H    option')
    logging.info('fetch    <url>    [<file>] DCTB Fetch    a    remote    file/package    and    install    it')
    logging.info(' DCTB git://...:[<branch>]    [<file/directory>]')
    logging.info(' DCTB http://...    [<file>]')
    logging.info('help DCTB  DCTB  DCTB Output    a    list    of    supported    commands')
    logging.info('list DCTB  DCTB  DCTB Output    a    list    of    available    tests')
    logging.info('run    <test>    [<args>] DCTB Find    given    <test>    in    path    and    run    with    args')
    raise SystemExit(0)
