It gave me flashbacks to high school computer class, in which we were taught to use a tool misnamed COMPRESS -- actually a defragger -- to maintain our hard disks. It displayed a similar animation in text mode as it worked. This was on OG IBM 5150s -- ancient even at the time.

It's funny how, in these late-stage Moore's Law days, a 10-year-old PC is old certainly, but not as hopelessly outmoded now as the 5150 was then.