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s/TUHS/COFF/

Theodore Ts'o wrote:
> The only I saw were PC/AT's (that is, the ones with the '286 CPU) that
> ran DOS and which were essentially used only to telnet to the Vax
> 750's (or supdup to the MIT AI / LCS lab machines, but most
> undergraduates didn't have access to those computers

Any chance this DOS supdup software is still around?
Was it part of PC/TCP?  I searched around and found this:
https://windowsbulletin.com/files/exe/ftp-software-inc/pc-tcp