Inspired by Ars Technica’s
From BFS to ZFS: past, present, and future of file systems article and aided by List of file systems
AFS: (Acer Fast Filesystem, SCO OpenServer)
BFS: (Be File System, BeOS’ 2nd)
C
D
EFS: (Extent File System)
FFS: (Fast File System, Amiga’s 2nd)
G
HFS: (Hierarchal File System, Mac’s 2nd)
I
JFS: (Journaled File System?, IBM)
K
LFS: (Log-structured File System)
MFS: (Macintosh File System, Mac’s 1st)
N
OFS: (Original/Old File System?, BeOS’/Amiga’s 1st)
PFS: (Professional File System, Amiga custom)
Q
R
SFS: (Smart File System, Amiga custom)
T
UFS: (Unix File System)
V
W
XFS: (iriX File System? SGI)
Y
ZFS: (Zettabyte File System)