It's a file system feature, all it means to be case folding is that capital and non-capital letters are treated the same, as NTFS does.
All Linux filesystems will by default allow "TEST" and "test" and "Test" to exist in the same folder, which no Windows application is ever intended to handle. Wine works around this by default.
All Linux filesystems will by default allow "TEST" and "test" and "Test" to exist in the same folder, which no Windows application is ever intended to handle. Wine works around this by default.