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But what if crash protection didn’t work and some data was lost?

In practice, it means more stable operation, increased read/write speeds and even more protection for user data. The main innovations in this operating system are improved encryption algorithms, optimized memory usage, crash protection, cloning of files and folders, and smart space usage patterns. The new file system uses a different approach to protect changes to the files and their data.Īs we know, this file system has been optimized for flash drives and SSDs. In APFS, you are not going to find the things we remember from HFS+: Catalog File, Attribute File, Allocation File, and Extent Overflow File, as well as the journal. However, this file system is in no way an extension of HFS+.

Volumes removed, with data on APFS internal partitionsĪpple File System or ApFS is the new file system by Apple which is used with latest Mac devices.