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Apple File System was announced at Apple's developers’ conference (WWDC) in June 2016 as a replacement for HFS+, which had been in use since 1998. [11] [12] APFS was released for 64-bit iOS devices on March 27, 2017, with the release of iOS 10.3, and for macOS devices on September 25, 2017, with the release of macOS 10.13.
Note that in addition to the below table, block capabilities can be implemented below the file system layer in Linux (LVM, integritysetup, cryptsetup) or Windows (Volume Shadow Copy Service, SECURITY), etc.
Disk Cloning Software Disk cloning capabilities of various software. Name Operating system User Interface Cloning features Operation model License
APFS: 2017: macOS High Sierra (10.13) APFS: 2020: Fedora 33: ... GUID Partition Table (GPT) Apple Partition Map; Amiga Rigid Disk Block; Timeline of DOS operating ...
The layout of a disk with the GUID Partition Table. In this example, each logical block is 512 bytes in size and each entry has 128 bytes. The corresponding partition entries are assumed to be located in LBA 2–33. Negative LBA addresses indicate a position from the end of the volume, with −1 being the last addressable block.
Each entry of the partition table is the size of one data block, which is normally 512 bytes. [1] [10] Each partition entry on the table is the size of one block or sector of data. Because the partition table itself is also a partition, the size of this first partition limits the number of entries to the partition table itself.
Partition Volume Label, padded with blanks (0x20), e.g., "NO␠NAME␠␠␠␠" Software changing the directory volume label in the file system should also update this entry, but not all software does. The partition volume label is typically displayed in partitioning tools since it is accessible without mounting the volume.
APFS – Apple File System is a next-generation file system for Apple products. AthFS – AtheOS File System, a 64-bit journaled filesystem now used by Syllable. Also called AFS. BFS – the Boot File System used on System V release 4.0 and UnixWare. BFS – the Be File System used on BeOS, occasionally misnamed as BeFS.