On Fri, Feb 10, 2023, 3:12 AM Lars Brinkhoff <lars@nocrew.org> wrote:

> Jonathan Gray wrote:
> >> Any chance this DOS supdup software is still around?
> >
> > https://web.mit.edu/Saltzer/www/publications/pcip-1985.pdf
> > http://www.bitsavers.org/bits/MIT/pc-ip/
>
> Great, thanks!
>
> It's a bit sad to read in supdup.mss "Unfortunately, very few machines
> have TCP/Supdup servers.  The only servers known to us are on Mit-MC and
> Su-AI, and 4.2 Unix machines running a server we distribute."  At this
> point, three old ITS machines had recently fallen over, one after the
> other, and MC was the only one left standing.  But not long after, four
> new ones would appear.  One of which is still up and running!
>


I wonder if this was the same supdup that the early BSDs used to distribute
their source in the 90s ..

Warner

>