Title: I don&#x27;t want a dedicated client, I want to go back to the old ways of modem to modem over VT100 links and chatting that way.  How can I ssh to another machine, or they to me, and we run a cli app that allows us to chat, something basic like `wall` I think would work, but I have never been able to get that to work.<p>I am on Mac OS X, and ideally I could do this without installing other software, using something built in.
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