List of file systems

BFS - the Be File System used on BeOS
DFS , ADFS - Acorn filing systems.
EFS - Encrypted filesystem, An extension of NTFS
EFS (IRIX) - an older block filing system under IRIX.
EXT2 - Extended filesystem 2, provided on Linux systems
EXT3 - Extended filesystem 3, provided on Linux systems, (ext2+journalling)
FAT - Used on DOS and Microsoft Windows, 12 and 16 bit table depths
FAT32 - FAT with 32 bit table depth
FFS - Fast File System, used on older *BSD systems
HFS - Hierarchal Filesystem, Used on older Mac OS systems
HFS+ - Hierarchal Filesystem+, Used on newer Mac OS systems
HPFS - High Performance Filesystem, used on OS/2
ISO 9660 - Used on CD and DVD-ROM discs (Rock Ridge and Joliet are extensions to this)
JFS - Journaling Filesystem, provided in Linux, OS/2, and AIX
kfs
LFS - Log-structured filesystem
Minix - Used on Minix systems
NTFS - Used on Windows NT based systems
OFS
ReiserFS - Filesystem which uses journaling
Reiser4 - Filesystem which uses journaling, newest version of ReiserFS
UDF - Packet based filesystem for WORM/RW media such as CD-RW and DVD.
UFS - Unix Filesystem, used on older BSD systems
UFS2 - Unix Filesystem, used on newer BSD systems
UMSDOS - FAT filesystem extended to store permissions and metadata, used for Linux.
XFS - Used on IRIX systems