I hadn't either. Useful, but not commonly necessary. I couldn't find a reference to it in the current edition of the book, here is the link to the relevant section of the first edition.
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Where hackers, sticks, weekend warriors, pros, architects and wannabes come together
I hadn't either. Useful, but not commonly necessary. I couldn't find a reference to it in the current edition of the book, here is the link to the relevant section of the first edition.