@nixCraft
Lazy typists: cp, rm, mv, df, dd, etc. Partly because Unix was developed in the days when teletype terminals were still in use?
@SpaceLifeForm
Every byte was not just storage space, but also time.
You tend to notice this at 300 Baud.
If you watch closely, and pause the video as needed, you will be going back to the future.
Seriously, watch this closely. It is worth your time.