Multiple sessions of NSH are currently clobbering each other. The last session to exit is the one that writes to disk and so what happens is I have multiple sessions at home and at work. As I exit them, I get a copy that overwrites.
I need to fix this so that everything get's written out by date and time so that I can have one unified history. I think it might be time to change the history from a text file to a real Pick file. There might be speed issues though in trying to get the previous and next commands.