Aug 072023

$ grep kermit /etc/services
kermit 1649/tcp

What is this mysterious protocol? Who uses it and what is its story?
This story is a winding one, beginning in 1981. Kermit is, to the best of my knowledge, the oldest actively-maintained software package with an original developer still participating. It is also a scripting language, an Internet server, a (scriptable!) SSH client, and a file transfer protocol.
And my first use of it was talking to my HP-48GX calculator over a 9600bps serial link. Yes, that calculator had a Kermit server built in.
But let’s back up and talk about serial ports and Modems.
Serial Ports and Modems
In my piece The PC & Internet Revolution in Rural America, I recently talked about getting a…

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