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[ih] We can hang up now, it's all done.

Marty Lyons wrote:
> On Nov 22, 2009, at 4:32 PM, John Day wrote:
>> The earliest AIM, messaging I am aware of was Jim Calvin's Tenex hack 
>> that we used on the ARPANet in 1972.
>      As
> best as I was able to determine, the first instance of a terminal to 
> terminal interaction appears to be ".SAVED/WRITE" which was part of CTSS 
> in 1965, and authored by Tom Van Vleck, Noel Morris, and Robert R. 
> Fenichel.

That timeframe matches the various stories I've heard over the years.

By 1969 it was a pretty common feature in anything that supported two or more 
simultaneous users.  I remember using a talk-like feature on a small proprietary 
t/s system my brother was working on then.  (I don't remember whether this was 
the effort that Vint also worked on.)


   Dave Crocker
   Brandenburg InternetWorking