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by pasc1878 711 days ago
No macOS does not.

The issue is the file system.

Apple file systems allow a file to have extended attributes or resource forks. Thus a file is not a simple stream of bytes.

When you copy a file to a file system (e.g. FAT) that does not understand these attributes macOS copies those to a ._ (I think if the file system was NTFS then you could probably convert them but I don't think anyone does)

Copying a file out of an Apple environment loses data (OK the data is metadata and usually no one cares)