> Mac OS eventually dropped the concept of resource forks, so things that used to be contained in one file were distributed across many. Resource forks are sti

> Mac OS eventually dropped the concept of resource forks, so things that used to be contained in one file were distributed across many. Resource forks are still supported, if not commonly used, even in APFS. For example, according to https://en.wikipedia.org/wiki/Apple_File_System#Compression https://en.wikipedia.org/wiki/Apple_File_System#Compression , transparent compression is implemented that way.