This used to be my favorite OS. I am pleasantly surprised to see it is still around. The security model at the time was vastly superior to Unix. I maintained

This used to be my favorite OS. I am pleasantly surprised to see it is still around. The security model at the time was vastly superior to Unix. I maintained the SMS gateway for a mobile provider on it. OpenVMS on Alpha had incredible performance and stability compared to the Unix system counterparts at the time. (comparing rack space real estate that is)