strangest systems I've sent email from

[Lars Brinkhoff]

Sean Conner <spc at conman.org> writes:
> It was thus said that the Great William Donzelli once stated:
>> There are probably a couple hundred Unisys 2200 systems left in the
>> world
> I suppose this is 1's complement but I see nothing about that in the
> manual

Aka UNISYS 1100/2200, aka ClearPath ix, aka ClearPath OS 2200.

https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series