[clue] generations of file systems
Dennis J Perkins
dennisjperkins at comcast.net
Sun Mar 24 21:35:54 MDT 2019
Jim Salter has an interesting article abut this on Ars Technica.
Generation 0: No system. Just n aritrary stream of data on punchcards,
cassettes, tape, etc.
Generation 1: Early filesystems without directories or metadata. CP/M,
Apple DOS, etc.
Generation 2: Directories added to better handle the amount of storage
space on hard drives. MS-DoS 2.0.
Generation 3: Metadata. Unix, Macintosh.
Generation 4. Journaling. Ext3, NTFS, etc.
Generation 5: CoW , built-in volume management, per-block checksums,
self-healing arrays. ZFS, Btrfs, ReFS. Maybe Bcachefs and Stratis?
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