That I can find is this from 1990, but I'm sure I was posting earlier. Complete with double .signature - sigh!
OK, here's a slightly earlier one - again asking about usenet software!
Ah, I needed to search for uk.ac.man.cs rather than the other way around and pushes it back to May 89 though I'm sure I posted to uk.* before that but google groups seems light on those - no posts from uk.followup at all!
I doubt if I would be able to find them starting from scratch now, note in the earliest posting the reversed email addresses as well as the uucp delivery! Over 20 years ago now.
On searching around for my postings I did find this message of a very convoluted approach to system recovery . I still remember that afternoon though as someone affected by the events rather than directly involved. I thought the
rm -rf *was part of a script which was run from the wrong place but maybe the script was set to echo the commands it ran?