Regarding PDP-11/ and rt11 too

Allison J Parent wrote: This is a critical question. If there were only a small OS that ran on a minimal -11 with floppies, there could be many more usable systems out there. There are several other possibilities. The last two of these have fairly liberal licensing restrictions (maybe none): - HT-11, the Heathkit version of RT-11 (circa Version 2?), which, if you can find a copy, might have less restrictive licensing than the "real" RT-11. - Xinu, which runs on an 11/03, but probably requires a VAX running BSD4.3 networked to it to persist. It may be possible to run a networked Intel machine running FreeBSD (or even Linux). This is a long term project I'd like to tackle, but it's way down the list. - FORTH, which is available in several different versions for a minimal -11. From personal experience, however, I wouldn't want to wish this on anybody but the most dedicated hackers. Perhaps that describes well someone who is trying to use a small -11 now? For FORTH resources see: http://www.taygeta.com/forth.html http://theforthsource.com You could run FORTH using one RX01, and there were (are?) several versions around, including FIG and DECUS (RT-11 based) one. It's not clear that the latest (last?) implementations for the -11 are still widely available. Maybe someone can dig them out? Dave