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# HAL

- Hardware Abstraction Layer
- hald watches for hardware changes, takes action
- Also controls the life support functions of the ship

"There is no problem in computer science that can't be solved with another layer of abstraction." Meet HAL.

Oh, and it has another function too [flip]

Well, it doesn't really, but it does control X. On Jaunty, you can't remove or disable hal because then X won't run!