public function read($command = 'wmic os get lastbootuptime')
    {
        $wmicString = trim(explode("\n", shell_exec($command))[1]);

        $dateTime = \DateTime::createFromFormat(
            'YmdHis.uO',
            $this->convertWmicOffset($wmicString)
        );
        return $dateTime->getTimestamp();
    }