Bootstrap actually makes some sense when you're toggling in a loader on a machine that has a bunch of switches, it certainly feels like you're trying to lift yourself up by your laces rather than that you're loading an initial program.

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Oh, and one bit wrong and you can start all over again... the scary thing is that once you've done it often enough you start to remember the sequences the same way you remember how to play a piece on the piano, in your muscle memory.