This page contains material from talks that I have given.

UNIX history

I used to teach various courses on UNIX, from a short intensive one up to a full length module. At the start, I gave about 90 minutes (for historical reasons, often split into two 45 minute chunks) on the history of UNIX. I don't pretend that it's complete (and it has some simplifications and possible inaccuracies), but I think it gives some useful background and can inspire people to find out more.

As it happens, that particular talk has its own page, which you can find at . It includes the slides and a recording of the lecture. There is also a one hour lecture on using UNIX, which is mainly about the underlying philosophy; this was intended as a precursor to five one-hour interactive sessions.

Emulation and Other Stories

This is a talk I gave to the BCS Kent Branch in December 2019. It's about the various ways in which one can play with the way that old hardware worked. I put it here because it was not possible to host it on the BCS website in an acceptable format, and in any case it is of more general interest. Once again, it consists of the slides, but no recording this time.

In the talk, I also mentioned that I was looking at doing an emulated panel for the Honeywell DDP-516. There is an anecdote about my experience with the DDP-516 (when I was an undergraduate) here.

There is a story about my research for details of the panel here.

Telephone Systems and Voice over IP

This is a talk I gave to the BCS Kent Branch in December 2018. It's essentially about the development of my home telephone system, from a simple phone line to a fully functional Voice over IP system, with some interesting capabilities. Once again, it consists of the slides, but no recording.

  • The complete set of slides can be found here.

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Last updated: 06 Dec 2019