Kommandozeile und micrometer: was sie gemeinsam haben

1. Schritt 1. Kommandozeile — entwickelte sich aus — Typewriter. The teletype was a printing terminal.
2. Schritt 2. Typewriter — funktioniert wie — Movable type. Each typebar carries a piece of movable type pressed against the paper.
3. Schritt 3. Movable type — funktioniert wie — Interchangeable parts. Movable type is an early case of interchangeable parts: identical letters move from line to line.
4. Schritt 4. Interchangeable parts — nutzt — Micrometer. Precise measurement ensures interchangeability.

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