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IBM's Hierarchical File System (HFS) is a POSIX-style hierarchical file system [1] for the MVS/ESA/SP through z/OS operating systems. IBM introduced HFS on February 9, 1993 in MVS/ESA System Product Version 4 Release 3 OpenEdition [ 2 ] [ 3 ] with DFSMS/MVS Version 1 Release 2 [ 4 ] for 3090 mainframes.
In computing, a hierarchical file system is a file system that uses directories to organize files into a tree structure. [ 1 ] In a hierarchical file system, directories contain information about both files and other directories, called subdirectories which, in turn, can point to other subdirectories, and so on. [ 2 ]
HFS Plus or HFS+ (also known as Mac OS Extended or HFS Extended [5]) is a journaling file system developed by Apple Inc. It replaced the Hierarchical File System (HFS) as the primary file system of Apple computers with the 1998 release of Mac OS 8.1.
It included about 1 million new lines of code, which provide an API shell, utilities, and an extended user interface. Works with a hierarchical file system provided by DFSMS (Data Facility System Managed Storage). The shell and utilities are based on Mortice Kerns' InterOpen products. Independent specialists estimate that it was over 80% open ...
Hierarchical File System (HFS) is a proprietary file system developed by Apple Inc. for use in computer systems running Mac OS. Originally designed for use on floppy and hard disks , it can also be found on read-only media such as CD-ROMs .
Hierarchical file system, a system for organizing directories and files; Hierarchical File System (Apple), a file system introduced in 1985 for the classic Mac OS; Hierarchical File System (IBM MVS), a file system introduced in 1993 for MVS/ESA and subsequent operating systems; Hi Performance FileSystem, a file system used by the HP-UX ...
HFS – Hierarchical File System in IBM's MVS from MVS/ESA OpenEdition through z/OS V2R4; not to be confused with Apple's HFS. IBM stated that z/OS users should migrate from HFS to zFS, and in z/OS V2R5 dropped support for HFS. HFS – Hierarchical File System, in use until HFS+ was introduced on Mac OS 8.1. Also known as Mac OS Standard format.
Hierarchical File System (HFS) 1987: Compaq MS-DOS 3.31: FAT16B: 1988: AmigaOS v1.3: Amiga Fast File System (FFS) 1989: OS/2 v1.2: High Performance File System (HPFS ...