Which file system is associated with Mac operating systems?

The file system associated with Mac operating systems is APFS, which stands for Apple File System. APFS was introduced by Apple to provide a modern file system that supports features such as strong encryption, space efficiency, and high performance, particularly on solid-state drives (SSDs).

While HFS+ (Hierarchical File System Plus) was the predecessor to APFS on macOS, it has been largely replaced by APFS since its release in 2017. HFS+ was used for many years and is still recognized and compatible with macOS. However, APFS offers improvements in several areas, including faster directory sizing and better data integrity.

The other file systems mentioned are associated with different operating systems: NTFS (New Technology File System) is primarily used by Windows, and ext4 (Fourth Extended File System) is common in Linux environments. Thus, the most current and relevant file system for modern Mac operating systems is APFS.