Retro computing is a great hobby, even a way of life,
but whereas a decades-old copy of anything from Linux to Multics is as >safe today as
it ever was, OSes of the Internet era *cannot* be used safely once they're well out of
date. Old viruses are still >out there, waiting to pounce.
I would disagree on this point. Unix and linux, in all its flavours, had plenty of
security fixes in the same timeframe mentioned, so I would not consider them as safe as
etc
That they are less obvious to attack, in comparison, is another thing.