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Ask HN: Who's still keeping a DOS machine up because the business depends on it?

297 points · 304 comments · mlaux

  1. bradleyy · · focus · HN ↗
    I know a shop that still runs an Apple ][: they have a Numerical Control machine. For those who don't know, NC is the predecessor to Computer Numerical Control, i.e. CNC machines.

    They run on punch tape.

    So this Apple ][ is connected to simulate the punch tape reader, and send the (I think) G-code commands to the machine. So it's now a CNC, managed by an Apple ][.

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