The other problem is that he doesn't have a sample.txt file for people to download, so he's asking them to open a blank file, then he teaches them how to move a

The other problem is that he doesn't have a sample.txt file for people to download, so he's asking them to open a blank file, then he teaches them how to move around (but there is no text), and only after all that does he start teaching them how to actually insert text.