Others are offering good books and things, but my experience during my autonomous vehicle days, I found just seeing how rt-linux was being used by others during

Others are offering good books and things, but my experience during my autonomous vehicle days, I found just seeing how rt-linux was being used by others during market research was very useful in understanding how it was being used and where it failed and needed a more tested RTOS. So my suggestion is start searching the startup space and see how its being used these days.