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As a test, I did sudo mknod test c 5 2 in my Downloads folder, which had the effect of creating a file like /dev/ptmx. However, cat test gives me No such file or directory. However, sudo mknod /dev/test c 5 2 and subsequently cat /dev/test works as expected. So, why is there a difference? I don't have a separate home partition and my root is not mounted with nodev.

I do not seem to have this problem with MacOS.

DrownedSuccess
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  • @dirkt (a) the question already says, "is not mounted with `nodev`", and (b) the behavior seems reproducible unless you're suggesting that it works fine when you try it. – larsks Jul 14 '22 at 11:42

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