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*Details: File format summary



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Name Hierarchical File System
Other names  
Identifiers PUID:  fmt/1105
Classification Aggregate
Description Hierarchical File System (HFS) is a file system developed by Apple primarily for Mac OS. Within HFS a storage volume is divided into logical blocks of 512 bytes. The Hierarchical File System groups these logical blocks into allocation blocks, which can contain one or more logical blocks, depending on the total size of the volume.
Byte order  
Related file formats None.
Technical Environment  
Supported until  
Format Risk  
Developed by Apple Computer, Inc.
Supported by Apple Computer, Inc.
Source Artefactual Systems Inc / Artefactual Systems Inc
Source date 07 Nov 2017
Source description This entry and identification for Hierarchical File System was a collaborative effort involving the Open Preservation Foundation, Artefactual Systems, New York Public Libraries, The University of California, Los Angeles and The National Archives.
Last updated 07 Nov 2017
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