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Apple File System

Apple File System (APFS) is a proprietary file system developed and deployed by Apple Inc. for macOS Sierra (10.12.4) and later, iOS 10.3, tvOS 10.2, watchOS 3.2, and all versions of iPadOS. It aims to fix core problems of HFS+ (also called Mac OS Extended), APFS's predecessor, which had been in use since 1998. APFS is optimized for solid-state drive…

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Copy-on-write
Yes
Date range
January 1, 1970 – July 21, 2554
Date resolution
1 nanosecond
Dates recorded
access, attributes modified, contents modified, created
Developer
Apple Inc.
Directory contents
B-tree

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Map overview Semantic statistics

Apple File System

Nodes64
Edges63
Triples44
Avg. degree1.97
Density0.03125
Components1

How this topic connects Entity context

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Apple File System

Top relations

related to history · 11
Apple File System → APFS, Apple, Apple File Systems, Apple's, Fusion, HFS, June, March, September, The, WWDC
related to External links · 10
Apple File System → Adam Leventhal, APFS, Apple, Apple Developer, Apple File System GuideApple, Apple File System ReferenceWWDC, Developer, Dominic Giampaolo, Eric TamuraDetailed Overview, Introduction
related to Crash protection · 4
Apple File System → HFS, Instead, It, This
Introduced · 2
Apple File System → iOS: 27 March 2017 (9 years ago) (27 March 2017), macOS: 25 September 2017 (8 years ago) (25 September 2017)
Allowed filename characters · 1
Apple File System → Unicode 9.0 encoded in UTF-8.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}[A]
Copy-on-write · 1
Apple File System → Yes
Date range · 1
Apple File System → January 1, 1970 – July 21, 2554
Date resolution · 1
Apple File System → 1 nanosecond
Dates recorded · 1
Apple File System → access, attributes modified, contents modified, created
Developer · 1
Apple File System → Apple Inc.

Important terminology Word statistics

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Important terminology

apfs macos file system apple hfs volumes ios data storage metadata 10 files drives also encryption snapshots tvos watchos space

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Apple File SystemAllowed filename charactersUnicode 9.0 encoded in UTF-8.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}[A]1.00infobox
Apple File SystemCopy-on-writeYes1.00infobox
Apple File SystemDate rangeJanuary 1, 1970 – July 21, 25541.00infobox
Apple File SystemDate resolution1 nanosecond1.00infobox
Apple File SystemDates recordedaccess, attributes modified, contents modified, created1.00infobox
Apple File SystemDeveloperApple Inc.1.00infobox
Apple File SystemDirectory contentsB-tree1.00infobox
Apple File SystemFile system permissionsUnix permissions, NFSv4 ACLs1.00infobox
Apple File SystemFull nameApple File System1.00infobox
Apple File SystemIntroducediOS: 27 March 2017 (9 years ago) (27 March 2017)1.00infobox
Apple File SystemIntroducedmacOS: 25 September 2017 (8 years ago) (25 September 2017)1.00infobox
Apple File SystemMax file size8 Exabyte (9,223,372,036,854,775,808 bytes)1.00infobox
Apple File SystemMax no. of files9,223,372,036,854,775,8081.00infobox
Apple File SystemPartition IDs7C3457EF-0000-11AA-AA11-00306543ECAC (GPT)1.00infobox
Apple File SystemPreceded byHFS Plus1.00infobox
Apple File SystemSupported operating systemsmacOS, iPadOS, iOS, tvOS, watchOS, visionOS1.00infobox
Apple File SystemTransparent compressionPartial (decmpfs)1.00infobox
Apple File SystemTransparent encryptionYes1.00infobox

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