HFS

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Not to be confused with HFS (IBM), a distinct IBM mainframe filesystem with the same name.
File Format
Name HFS
Ontology
Extension(s) .hfs, .img
PRONOM fmt/1105

HFS (Hierarchical File System), also known as Mac OS Standard format, is the native filesystem format of Apple's classic Mac OS operating system. It is the predecessor of HFS+.

Contents

Identification

The ASCII characters "BD" appear at offset 1024.

Specifications

Software

  • Supported natively by classic Mac OS, OS X, macOS (read-only in newer versions).
  • The Linux kernel optionally supports HFS (read+write).
  • HFSExplorer
  • hfsutils
  • 7-Zip [Ed. note: Claims to support HFS, but we've had no luck with it.]

Sample files

Links

Personal tools
Namespaces

Variants
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