Thanks, I'm glad you're enjoying it.
I tried to get everything into the interactive help menu available via the "enter" (or "return" depending on your keyboard) key. It's "f". The command that historically always gets people is giving the "x" as a "direction" with "look" to search the current location.
Of course there are the other Ultima games. All of the ones up through at least #6 have a lot of the same feel as Minima, and the newer ones are (obviously) more modern. Spiderweb Software is a company that's still commercially making (much larger) games with a similar feel but with more modern interfaces; I'd recommend Queen's Wish (which has a demo available) if you want to try out one.