Apple File System
File system developed by Apple / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Apple File System ?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Not to be confused with Apple File Service (AFS), the service implementing the Apple Filing Protocol (AFP).
Not to be confused with Andrew File System (AFS), the distributed file system.
Apple File System (APFS) is a proprietary file system developed and deployed by Apple Inc. for macOS Sierra (10.12.4)[6] and later, iOS 10.3, tvOS 10.2,[7] watchOS 3.2,[8] and all versions of iPadOS.[9][10] It aims to fix core problems of HFS+ (also called Mac OS Extended), APFS's predecessor on these operating systems. APFS is optimized for solid-state drive storage and supports encryption, snapshots, and increased data integrity, among other capabilities.[11][12]
Quick Facts Developer(s), Full name ...
Developer(s) | Apple Inc. |
---|---|
Full name | Apple File System |
Introduced | March 27, 2017 (iOS), September 25, 2017 (macOS), with iOS 10.3, macOS 10.13 |
Preceded by | HFS Plus |
Partition IDs | 7C3457EF-0000-11AA-AA11-00306543ECAC (GPT) |
Structures | |
Directory contents | B-tree[1] |
Limits | |
Max file size | 8 EB (9,223,372,036,854,775,808 bytes)[2] |
Max no. of files | 9,223,372,036,854,775,808[2] |
Allowed filename characters | Unicode 9.0 encoded in UTF-8[3] |
Features | |
Dates recorded | access, attributes modified, contents modified, created |
Date range | January 1, 1970 – July 21, 2554[1] |
Date resolution | 1 ns[2] |
File system permissions | Unix permissions, NFSv4 ACLs |
Transparent compression | Partial (decmpfs)[4] |
Transparent encryption | Yes[5] |
Copy-on-write | Yes[3][5] |
Other | |
Supported operating systems | macOS, iPadOS, iOS, tvOS, watchOS |
Close