>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out of date.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.