It prints characters that are already uppercase, but for which their lowercase version can't be uppercased back to the same character:. When creating new directories, those directories will inherit the case sensitivity from its parent directory. Someone would have to try all combinations of that word to land on the version where all the letters are capitalized. Thanks for reaching out. Other examples fall here; the key point is that such data should be unique, hence, strictly checked Wrap Up Now you know what these terms mean.
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