Git is actually a great example - if you just memorize a few magic git commands you really aren't using the tool correctly and can end up in state that is unrec

Git is actually a great example - if you just memorize a few magic git commands you really aren't using the tool correctly and can end up in state that is unrecoverable (at least to you, the magician). Better to spend an afternoon understanding how git works (again, mostly) and be equipped to survive such circumstances.