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They can contain any octet except ASCII NUL and /. That said, pretty much every filesystem's on-disk format has an explicit length field for file names. So in
by 10000truths 5y ago
They can contain any octet except ASCII NUL and /.
That said, pretty much every filesystem's on-disk format has an explicit length field for file names. So in theory, there's nothing stopping them from supporting completely binary filenames - it's the kernel's VFS layer that treats NUL and / as special.