I don't get it?

There was a question on here and i've thought about and I still don't get it. Here's the question. How can I change the date in tally 6.3 if it becomes turns to educational any tricks? That's exactly how it was typed too. Now there's someone on here named Snowman and he said do a Barrel Roll. Do you get, if so help me to understand, so I can stop thinking about this crazy question. What does a barrel roll have to do wih anything?