function getHelp($command)
    {
        $cmds = PEAR_Command::getCommands();
        if (isset($GLOBALS['_PEAR_Command_shortcuts'][$command])) {
            $command = $GLOBALS['_PEAR_Command_shortcuts'][$command];
        }
        if (isset($cmds[$command])) {
            $obj = &PEAR_Command::getObject($command);
            return $obj->getHelp($command);
        }
        return false;
    }