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by rbanffy 2934 days ago
On CP/M, device names ended with ":". To me, it'd be perfectly reasonable to treat "LPT:" as a magical file present in any directory, but not "AUX" or, much worse, "aux.c", which doesn't look like a device name. Besides that, "AUX:" was never a thing in CP/M IIRC.

That doesn't convince me they actually thought this through at the time.