Hi, I have a problem that I cannot find the added file when I reopen the terminal. Before I close it, it went well as Jillian showed in class. But when I changed the preference of terminal, and then reopen the terminal, the added file I kept track of before cannot be found. Here is several lines of what I did when I reopen terminal:

Did anyone have the same problem as I had? Thank you if anyone could help to solve this!