ChronRevisited, Two years ago on "Computer Chronicles Revisited," I covered a 1984 episode on operating systems. Herb Lechner sat in the co-host's chair as Gary Kildall appeared as a guest to discuss Digital Research's CP/M. We also get the first UNIX talk on the program, as AT&T was now in a position to commercially exploit its famous operating system.
https://www.smoliva.blog/post/computer-chronicles-revisited-005-concurrent-cpm-ms-dos-unix/