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On macOS, it is possible to create an APFS formatted filesystem as either case-sensitive or case-preserving, with the default being case-preserving.
Reserved characters and words
On Windows, the following are reserved characters:
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In addition, it is generally invalid to end a directory or file name with a space ' ' or period '.' character.
Do not use the following reserved names for the name of a file:
| No Format |
|---|
CON, PRN, AUX, NUL, COM0, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, COM¹, COM², COM³, LPT0, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9, LPT¹, LPT², and LPT³ |
Also avoid these names followed immediately by an extension; for example, NUL.txt and NUL.tar.gz are both equivalent to NUL.
On Linux filesystems, generally the only reserved character is slash '/', the same as on Mediaflux.
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