I suppose it would be mostly practical skills, cooking, fixing things. Usually had to be done by people themselves.
Maybe also mental things like navigating (with or without paper map) and remembering their daily and weekly agendas.
What other things would be a big difference with the people today?
Ma’am, I’m going to have to ask you to please stop doing wheels in the locomotive and return it to a 4-4-2 configurarion