Frequently Asked Questions

Retired DocumentImportant: This document may not represent best practices for current development. For current information, see About Apple File System. Frequently Asked QuestionsCompatibilityCan I use Apple File System with my existing hard disk drive? Yes. Apple File System is optimized for Flash/SSD storage, but can also be used with traditional hard disk drives (HDD) and external, direct-attac

[naotoj]

“How does Apple File System handle filenames?APFS accepts only valid UTF-8 encoded filenames for creation, and preserves both case and normalization of the filename on disk in all variants. ”

[castaneai]

“Calling readdir(2) on a directory in APFS returns filenames in hash order, whereas HFS+ returns filenames in lexicographical order.”

[wtatsuru]

APFS

[Haaaa_N]

APFSはcase sensitive,正規化なし,よっしゃ,これでmacじゃないユーザが悩むことが減る