<s>
The	O
following	O
lists	O
identify	O
,	O
characterize	O
,	O
and	O
link	O
to	O
more	O
thorough	O
information	O
on	O
file	B-Application
systems	I-Application
.	O
</s>
<s>
Many	O
older	O
operating	B-General_Concept
systems	I-General_Concept
support	O
only	O
their	O
one	O
"	O
native	O
"	O
file	B-Application
system	I-Application
,	O
which	O
does	O
not	O
bear	O
any	O
name	O
apart	O
from	O
the	O
name	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
itself	O
.	O
</s>
<s>
Disk	B-Application
file	I-Application
systems	I-Application
are	O
usually	O
block-oriented	O
.	O
</s>
<s>
Files	O
in	O
a	O
block-oriented	O
file	B-Application
system	I-Application
are	O
sequences	O
of	O
blocks	O
,	O
often	O
featuring	O
fully	O
random-access	O
read	O
,	O
write	O
,	O
and	O
modify	O
operations	O
.	O
</s>
<s>
ADFS	B-Device
–	O
Acorn	O
's	O
Advanced	B-Device
Disc	I-Device
filing	I-Device
system	I-Device
,	O
successor	O
to	O
DFS	B-Protocol
.	O
</s>
<s>
AdvFS	B-Application
–	O
Advanced	O
File	B-Application
System	I-Application
,	O
designed	O
by	O
Digital	O
Equipment	O
Corporation	O
for	O
their	O
Digital	B-Operating_System
UNIX	I-Operating_System
(	O
now	O
Tru64	B-Operating_System
UNIX	I-Operating_System
)	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
APFS	B-Application
–	O
Apple	B-Application
File	I-Application
System	I-Application
is	O
a	O
next-generation	O
file	B-Application
system	I-Application
for	O
Apple	O
products	O
.	O
</s>
<s>
AthFS	B-Application
–	O
AtheOS	B-Application
File	I-Application
System	I-Application
,	O
a	O
64-bit	B-Device
journaled	B-Application
filesystem	I-Application
now	O
used	O
by	O
Syllable	B-Application
.	O
</s>
<s>
BFS	B-Language
–	O
the	O
Boot	B-Application
File	I-Application
System	I-Application
used	O
on	O
System	O
V	O
release	O
4.0	O
and	O
UnixWare	B-Operating_System
.	O
</s>
<s>
BFS	B-Language
–	O
the	O
Be	B-Language
File	I-Language
System	I-Language
used	O
on	O
BeOS	B-Application
,	O
occasionally	O
misnamed	O
as	O
BeFS	B-Language
.	O
</s>
<s>
Open	O
source	O
implementation	O
called	O
OpenBFS	B-Language
is	O
used	O
by	O
the	O
Haiku	B-Language
operating	I-Language
system	I-Language
.	O
</s>
<s>
Btrfs	B-Operating_System
–	O
is	O
a	O
copy-on-write	B-Language
file	B-Application
system	I-Application
for	O
Linux	B-Operating_System
announced	O
by	O
Oracle	B-Application
in	O
2007	O
and	O
published	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
<s>
CFS	B-General_Concept
–	O
The	O
Cluster	B-Application
File	I-Application
System	I-Application
from	O
Veritas	O
,	O
a	O
Symantec	O
company	O
.	O
</s>
<s>
It	O
is	O
the	O
parallel	B-Operating_System
access	O
version	O
of	O
VxFS	B-Application
.	O
</s>
<s>
CP/M	B-Application
file	B-Application
system	I-Application
—	O
Native	O
filesystem	B-Application
used	O
in	O
the	O
CP/M	B-Application
(	O
Control	B-Application
Program	I-Application
for	I-Application
Microcomputers	I-Application
)	O
operating	B-General_Concept
system	I-General_Concept
which	O
was	O
first	O
released	O
in	O
1974	O
.	O
</s>
<s>
DOS	B-Operating_System
3.x	I-Operating_System
–	O
Original	O
floppy	O
operating	B-General_Concept
system	I-General_Concept
and	O
file	B-Application
system	I-Application
developed	O
for	O
the	O
Apple	B-Device
II	I-Device
.	O
</s>
<s>
Extent	B-Operating_System
File	I-Operating_System
System	I-Operating_System
(	O
EFS	B-Operating_System
)	O
–	O
an	O
older	O
block	O
filing	O
system	O
under	O
IRIX	B-Operating_System
.	O
</s>
<s>
ext	B-Application
–	O
Extended	B-Application
file	I-Application
system	I-Application
,	O
designed	O
for	O
Linux	B-Operating_System
systems	O
.	O
</s>
<s>
ext2	B-Application
–	O
Second	B-Application
extended	I-Application
file	I-Application
system	I-Application
,	O
designed	O
for	O
Linux	B-Operating_System
systems	O
.	O
</s>
<s>
ext3	B-Application
–	O
A	O
journaled	B-Application
form	O
of	O
ext2	B-Application
.	O
</s>
<s>
ext4	B-Application
–	O
A	O
follow	O
up	O
for	O
ext3	B-Application
and	O
also	O
a	O
journaled	B-Application
filesystem	I-Application
with	O
support	O
for	O
extents	B-Application
.	O
</s>
<s>
ext3cow	B-Application
–	O
A	O
versioning	B-Application
file	I-Application
system	I-Application
form	O
of	O
ext3	B-Application
.	O
</s>
<s>
FAT	B-Application
–	O
File	B-Application
Allocation	I-Application
Table	I-Application
,	O
initially	O
used	O
on	O
DOS	B-Device
and	O
Microsoft	B-Application
Windows	I-Application
and	O
now	O
widely	O
used	O
for	O
portable	O
USB	O
storage	O
and	O
some	O
other	O
devices	O
;	O
FAT12	B-Application
,	O
FAT16	B-Application
and	O
FAT32	B-Application
for	O
12-	O
,	O
16	B-Device
-	I-Device
and	O
32-bit	O
table	O
depths	O
.	O
</s>
<s>
VFAT	B-Application
–	O
Optional	O
layer	O
on	O
Microsoft	B-Application
Windows	I-Application
FAT	B-Application
system	O
to	O
allow	O
long	O
(	O
up	O
to	O
255	O
character	O
)	O
filenames	O
instead	O
of	O
only	O
the	O
8.3	O
filenames	O
allowed	O
in	O
the	O
plain	O
FAT	B-Application
filesystem	I-Application
.	O
</s>
<s>
FATX	O
–	O
A	O
modified	O
version	O
of	O
Microsoft	B-Application
Windows	I-Application
FAT	B-Application
system	O
that	O
is	O
used	O
on	O
the	B-Application
original	I-Application
Xbox	I-Application
console	O
.	O
</s>
<s>
FFS	B-Operating_System
(	O
Amiga	B-Device
)	O
–	O
Fast	O
File	B-Application
System	I-Application
,	O
used	O
on	O
Amiga	B-Device
systems	O
.	O
</s>
<s>
Now	O
counts	O
FFS1	O
,	O
FFS	B-Operating_System
Intl	O
,	O
FFS	B-Operating_System
DCache	O
,	O
FFS2	O
.	O
</s>
<s>
Fossil	B-Application
–	O
Plan	B-Operating_System
9	I-Operating_System
from	I-Operating_System
Bell	I-Operating_System
Labs	I-Operating_System
snapshot	O
archival	O
file	B-Application
system	I-Application
.	O
</s>
<s>
HFS	B-Application
–	O
Hierarchical	B-Application
File	I-Application
System	I-Application
in	O
IBM	O
's	O
z/OS	B-Application
;	O
not	O
to	O
be	O
confused	O
with	O
Apple	O
's	O
HFS	B-Application
.	O
</s>
<s>
HFS	B-Application
is	O
still	O
supported	O
but	O
IBM	O
's	O
stated	O
direction	O
is	O
zFS	B-Application
.	O
</s>
<s>
HFS	B-Application
–	O
Hierarchical	B-Application
File	I-Application
System	I-Application
,	O
in	O
use	O
until	O
HFS+	B-Application
was	O
introduced	O
on	O
Mac	B-Application
OS	I-Application
8.1	O
.	O
</s>
<s>
Also	O
known	O
as	O
Mac	B-Application
OS	I-Application
Standard	I-Application
format	O
.	O
</s>
<s>
HFS+	B-Application
–	O
Updated	O
version	O
of	O
Apple	O
's	O
HFS	B-Application
,	O
Hierarchical	B-Application
File	I-Application
System	I-Application
,	O
supported	O
on	O
Mac	B-Application
OS	I-Application
8.1	O
&	O
above	O
,	O
including	O
macOS	B-Application
.	O
</s>
<s>
Supports	O
file	B-Application
system	I-Application
journaling	I-Application
,	O
enabling	O
recovery	O
of	O
data	O
after	O
a	O
system	O
crash	O
.	O
</s>
<s>
JFS	B-Application
–	O
IBM	O
Journaling	B-Application
file	I-Application
system	I-Application
,	O
provided	O
in	O
Linux	B-Operating_System
,	O
OS/2	B-Application
,	O
and	O
AIX	B-Application
.	O
</s>
<s>
Supports	O
extents	B-Application
.	O
</s>
<s>
MFS	B-Application
–	O
Macintosh	B-Application
File	I-Application
System	I-Application
,	O
used	O
on	O
early	O
Classic	B-Application
Mac	I-Application
OS	I-Application
systems	O
.	O
</s>
<s>
Succeeded	O
by	O
Hierarchical	B-Application
File	I-Application
System	I-Application
(	O
HFS	B-Application
)	O
.	O
</s>
<s>
Next3	B-Application
–	O
A	O
form	O
of	O
ext3	B-Application
with	O
snapshots	O
support	O
.	O
</s>
<s>
MFS	B-Application
–	O
TiVo	B-Application
's	I-Application
Media	I-Application
File	I-Application
System	I-Application
,	O
a	O
proprietary	B-Application
fault	B-General_Concept
tolerant	I-General_Concept
format	O
used	O
on	O
TiVo	B-Application
hard	O
drives	O
for	O
real	O
time	O
recording	O
from	O
live	O
TV	O
.	O
</s>
<s>
NetWare	B-Application
File	I-Application
System	I-Application
–	O
The	O
original	O
NetWare	B-Operating_System
2.x	O
–	O
5.x	O
file	B-Application
system	I-Application
,	O
used	O
optionally	O
by	O
later	O
versions	O
.	O
</s>
<s>
NSS	B-Application
–	O
Novell	B-Application
Storage	I-Application
Services	I-Application
.	O
</s>
<s>
This	O
is	O
a	O
new	O
64-bit	B-Device
journaling	B-Application
file	I-Application
system	I-Application
using	O
a	O
balanced	O
tree	O
algorithm	O
.	O
</s>
<s>
Used	O
in	O
NetWare	B-Operating_System
versions	O
5.0-up	O
and	O
recently	O
ported	O
to	O
Linux	B-Operating_System
.	O
</s>
<s>
OneFS	O
–	O
One	O
File	B-Application
System	I-Application
.	O
</s>
<s>
This	O
is	O
a	O
fully	O
journaled	B-Application
,	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
used	O
by	O
Isilon	O
.	O
</s>
<s>
OneFS	O
uses	O
FlexProtect	O
and	O
Reed	B-Error_Name
–	I-Error_Name
Solomon	I-Error_Name
encodings	O
to	O
support	O
up	O
to	O
four	O
simultaneous	O
disk	O
failures	O
.	O
</s>
<s>
OFS	B-Application
–	O
Old	O
File	B-Application
System	I-Application
,	O
on	O
Amiga	B-Device
.	O
</s>
<s>
PFS	B-Application
–	O
and	O
PFS2	O
,	O
PFS3	B-Application
,	O
etc	O
.	O
</s>
<s>
Technically	O
interesting	O
file	B-Application
system	I-Application
available	O
for	O
the	O
Amiga	B-Device
,	O
performs	O
very	O
well	O
under	O
a	O
lot	O
of	O
circumstances	O
.	O
</s>
<s>
Qnx4fs	B-Application
–	O
File	B-Application
system	I-Application
that	O
is	O
used	O
in	O
QNX	B-Operating_System
version	O
4	O
and	O
6	O
.	O
</s>
<s>
ReFS	B-Application
(	O
Resilient	B-Application
File	I-Application
System	I-Application
)	O
–	O
New	O
file	B-Application
system	I-Application
by	O
Microsoft	O
that	O
is	O
built	O
on	O
the	O
foundations	O
of	O
NTFS	B-Application
(	O
but	O
cannot	O
boot	O
,	O
has	O
a	O
default	O
cluster	B-Architecture
size	O
of	O
64KB	O
and	O
does	O
not	O
support	O
compression	O
)	O
and	O
is	O
intended	O
to	O
be	O
used	O
with	O
the	O
Windows	B-Device
Server	I-Device
2012	I-Device
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
SkyFS	O
–	O
Developed	O
for	O
SkyOS	B-Application
to	O
replace	O
BFS	B-Language
as	O
the	O
operating	B-General_Concept
system	I-General_Concept
's	O
main	O
file	B-Application
system	I-Application
.	O
</s>
<s>
It	O
is	O
based	O
on	O
BFS	B-Language
,	O
but	O
contains	O
many	O
new	O
features	O
.	O
</s>
<s>
SFS	B-Application
–	O
Smart	B-Application
File	I-Application
System	I-Application
,	O
journaling	B-Application
file	I-Application
system	I-Application
available	O
for	O
the	O
Amiga	B-Device
platforms	I-Device
.	O
</s>
<s>
UDF	O
–	O
Packet-based	O
file	B-Application
system	I-Application
for	O
WORM/RW	O
media	O
such	O
as	O
CD-RW	O
and	O
DVD	O
,	O
now	O
supports	O
hard	O
drives	O
and	O
flash	B-Device
memory	I-Device
as	O
well	O
.	O
</s>
<s>
VTOC	B-Application
(	O
Volume	B-Application
Table	I-Application
Of	I-Application
Contents	I-Application
)	O
-	O
Data	O
structure	O
on	O
IBM	O
mainframe	B-Architecture
direct-access	B-Application
storage	I-Application
devices	I-Application
(	O
DASD	B-Application
)	O
such	O
as	O
disk	O
drives	O
that	O
provides	O
a	O
way	O
of	O
locating	O
the	O
data	B-Application
sets	I-Application
that	O
reside	O
on	O
the	O
DASD	B-Application
volume	O
.	O
</s>
<s>
zFS	B-Application
–	O
z/OS	B-Application
File	I-Application
System	I-Application
;	O
not	O
to	O
be	O
confused	O
with	O
other	O
file	B-Application
systems	I-Application
named	O
zFS	B-Application
or	O
ZFS	B-Application
.	O
</s>
<s>
zFS	B-Application
-	O
an	O
IBM	O
research	O
project	O
to	O
develop	O
a	O
distributed	O
,	O
decentralized	O
file	B-Application
system	I-Application
;	O
not	O
to	O
be	O
confused	O
with	O
other	O
file	B-Application
systems	I-Application
named	O
zFS	B-Application
or	O
ZFS	B-Application
.	O
</s>
<s>
These	O
file	B-Application
systems	I-Application
have	O
built-in	O
checksumming	O
and	O
either	O
mirroring	O
or	O
parity	O
for	O
extra	O
redundancy	O
on	O
one	O
or	O
several	O
block	O
devices	O
:	O
</s>
<s>
Bcachefs	B-Application
–	O
It	O
's	O
not	O
yet	O
upstream	O
,	O
full	O
data	O
and	O
metadata	O
checksumming	O
,	O
bcache	B-Application
is	O
the	O
bottom	O
half	O
of	O
the	O
filesystem	B-Application
.	O
</s>
<s>
Btrfs	B-Operating_System
–	O
A	O
file	B-Application
system	I-Application
based	O
on	O
B-Trees	B-Architecture
,	O
initially	O
designed	O
at	O
Oracle	B-Application
Corporation	I-Application
.	O
</s>
<s>
HAMMER	B-Application
and	O
HAMMER2	B-Application
–	O
DragonFly	B-Application
BSD	I-Application
's	O
primary	O
filesystems	B-Application
,	O
created	O
by	O
Matt	O
Dillon	O
.	O
</s>
<s>
NOVA	B-Application
–	O
The	O
"	O
non-volatile	O
memory	O
accelerated	O
"	O
file	B-Application
system	I-Application
for	O
persistent	O
main	O
memory	O
.	O
</s>
<s>
ReFS	B-Application
(	O
Resilient	B-Application
File	I-Application
System	I-Application
)	O
–	O
A	O
file	B-Application
system	I-Application
by	O
Microsoft	O
with	O
built-in	O
resiliency	O
features	O
.	O
</s>
<s>
Reliance	O
–	O
A	O
transactional	O
file	B-Application
system	I-Application
with	O
CRCs	O
,	O
created	O
by	O
Datalight	O
.	O
</s>
<s>
Reliance	O
Nitro	O
–	O
A	O
tree-based	O
transactional	O
file	B-Application
system	I-Application
with	O
CRCs	O
,	O
developed	O
for	O
high	O
performance	O
and	O
reliability	O
in	O
embedded	B-Architecture
systems	I-Architecture
,	O
from	O
Datalight	O
.	O
</s>
<s>
ZFS	B-Application
–	O
Has	O
checksums	O
for	O
all	O
data	O
;	O
important	O
metadata	O
is	O
always	O
redundant	O
,	O
additional	O
redundancy	O
levels	O
are	O
user-configurable	O
;	O
copy-on-write	B-Language
and	O
transactional	O
writing	O
ensure	O
metadata	O
consistency	O
;	O
corrupted	O
data	O
can	O
be	O
automatically	O
repaired	O
if	O
a	O
redundant	O
copy	O
is	O
available	O
.	O
</s>
<s>
Solid	O
state	O
media	O
,	O
such	O
as	O
flash	B-Device
memory	I-Device
,	O
are	O
similar	O
to	O
disks	O
in	O
their	O
interfaces	O
,	O
but	O
have	O
different	O
problems	O
.	O
</s>
<s>
At	O
low	O
level	O
,	O
they	O
require	O
special	O
handling	O
such	O
as	O
wear	B-Application
leveling	I-Application
and	O
different	O
error	B-Error_Name
detection	I-Error_Name
and	I-Error_Name
correction	I-Error_Name
algorithms	O
.	O
</s>
<s>
Typically	O
a	O
device	O
such	O
as	O
a	O
solid-state	B-Device
drive	I-Device
handles	O
such	O
operations	O
internally	O
and	O
therefore	O
a	O
regular	O
file	B-Application
system	I-Application
can	O
be	O
used	O
.	O
</s>
<s>
However	O
,	O
for	O
certain	O
specialized	O
installations	O
(	O
embedded	B-Architecture
systems	I-Architecture
,	O
industrial	O
applications	O
)	O
a	O
file	B-Application
system	I-Application
optimized	O
for	O
plain	O
flash	B-Device
memory	I-Device
is	O
advantageous	O
.	O
</s>
<s>
APFS	B-Application
–	O
Apple	B-Application
File	I-Application
System	I-Application
is	O
a	O
next-generation	O
file	B-Application
system	I-Application
for	O
Apple	O
products	O
.	O
</s>
<s>
CHFS	B-Application
–	O
a	O
NetBSD	B-Device
filesystem	B-Application
for	O
embedded	B-Architecture
systems	I-Architecture
optimised	O
for	O
raw	O
flash	B-Device
media	I-Device
.	O
</s>
<s>
exFAT	B-Application
–	O
Microsoft	O
proprietary	B-Application
system	O
intended	O
for	O
flash	O
cards	O
(	O
see	O
also	O
XCFiles	O
,	O
an	O
exFAT	B-Application
implementation	O
for	O
Wind	O
River	O
VxWorks	B-Operating_System
and	O
other	O
embedded	O
operating	B-General_Concept
systems	I-General_Concept
)	O
.	O
</s>
<s>
ExtremeFFS	O
–	O
internal	O
filesystem	B-Application
for	O
SSDs	B-Device
.	O
</s>
<s>
F2FS	B-Application
–	O
Flash-Friendly	B-Application
File	I-Application
System	I-Application
.	O
</s>
<s>
An	O
open	O
source	O
Linux	B-Operating_System
file	B-Application
system	I-Application
introduced	O
by	O
Samsung	B-Application
in	O
2012	O
.	O
</s>
<s>
FFS2	O
(	O
presumably	O
preceded	O
by	O
FFS1	O
)	O
,	O
one	O
of	O
the	O
earliest	O
flash	O
file	B-Application
systems	I-Application
.	O
</s>
<s>
JFFS	B-Application
–	O
original	O
log	O
structured	O
Linux	B-Operating_System
file	B-Application
system	I-Application
for	O
NOR	O
flash	B-Device
media	I-Device
.	O
</s>
<s>
JFFS2	B-Application
–	O
successor	O
of	O
JFFS	B-Application
,	O
for	O
NAND	O
and	O
NOR	O
flash	O
.	O
</s>
<s>
LSFS	B-Application
–	O
a	O
Log-structured	B-Application
file	I-Application
system	I-Application
with	O
writable	O
snapshots	O
and	O
inline	O
data	O
deduplication	O
created	O
by	O
StarWind	O
Software	O
.	O
</s>
<s>
Uses	O
DRAM	O
and	O
flash	O
to	O
cache	B-General_Concept
spinning	O
disks	O
.	O
</s>
<s>
LogFS	B-Application
–	O
intended	O
to	O
replace	O
JFFS2	B-Application
,	O
better	O
scalability	B-Architecture
.	O
</s>
<s>
NILFS	B-Application
–	O
a	O
log-structured	B-Application
file	I-Application
system	I-Application
for	O
Linux	B-Operating_System
with	O
continuous	O
snapshots	O
.	O
</s>
<s>
Non-Volatile	B-Operating_System
File	I-Operating_System
System	I-Operating_System
–	O
the	O
system	O
for	O
flash	B-Device
memory	I-Device
introduced	O
by	O
Palm	O
,	O
Inc	O
.	O
</s>
<s>
NOVA	B-Application
–	O
the	O
"	O
non-volatile	O
memory	O
accelerated	O
"	O
file	B-Application
system	I-Application
for	O
persistent	O
main	O
memory	O
.	O
</s>
<s>
OneFS	O
–	O
a	O
filesystem	B-Application
utilized	O
by	O
Isilon	O
.	O
</s>
<s>
It	O
supports	O
selective	O
placement	O
of	O
meta-data	O
directly	O
onto	O
flash	O
SSD	B-Device
.	O
</s>
<s>
Segger	O
Microcontroller	O
Systems	O
emFile	O
–	O
filesystem	B-Application
for	O
deeply	O
embedded	O
applications	O
which	O
supports	O
both	O
NAND	O
and	O
NOR	O
flash	O
.	O
</s>
<s>
Wear	B-Application
leveling	I-Application
,	O
fast	O
read	O
and	O
write	O
,	O
and	O
very	O
low	O
RAM	O
usage	O
.	O
</s>
<s>
SPIFFS	O
–	O
SPI	O
Flash	O
File	B-Application
System	I-Application
,	O
a	O
wear-leveling	B-Application
filesystem	B-Application
intended	O
for	O
small	O
NOR	O
flash	O
devices	O
.	O
</s>
<s>
TFAT	B-Application
–	O
a	O
transactional	O
version	O
of	O
the	O
FAT	B-Application
filesystem	I-Application
.	O
</s>
<s>
TrueFFS	O
–	O
internal	O
file	B-Application
system	I-Application
for	O
SSDs	B-Device
,	O
implementing	O
error	B-Error_Name
correction	I-Error_Name
,	O
bad	O
block	O
re-mapping	O
and	O
wear-leveling	B-Application
.	O
</s>
<s>
UBIFS	B-Application
–	O
successor	O
of	O
JFFS2	B-Application
,	O
optimized	O
to	O
utilize	O
NAND	O
and	O
NOR	O
flash	O
.	O
</s>
<s>
Write	B-Application
Anywhere	I-Application
File	I-Application
Layout	I-Application
(	O
WAFL	O
)	O
–	O
an	O
internal	O
file	B-Application
system	I-Application
utilized	O
by	O
NetApp	O
within	O
their	O
DataONTAP	O
OS	O
,	O
originally	O
optimized	O
to	O
use	O
non-volatile	O
DRAM	O
.	O
</s>
<s>
WAFL	O
uses	O
RAID-DP	O
to	O
protect	O
against	O
multiple	O
disk	O
failures	O
and	O
NVRAM	O
for	O
transaction	O
log	O
replays	O
.	O
</s>
<s>
YAFFS	B-Application
–	O
a	O
log-structured	B-Application
file	I-Application
system	I-Application
designed	O
for	O
NAND	O
flash	O
,	O
but	O
also	O
used	O
with	O
NOR	O
flash	O
.	O
</s>
<s>
–	O
a	O
little	O
fail-safe	B-General_Concept
filesystem	B-Application
designed	O
for	O
microcontrollers	O
.	O
</s>
<s>
JesFS	O
–	O
Jo	O
's	O
embedded	O
serial	O
FileSystem	B-Application
.	O
</s>
<s>
A	O
very	O
small	O
footprint	O
and	O
robust	O
filesystem	B-Application
,	O
designed	O
for	O
very	O
small	O
microcontroller	O
(	O
16/32	O
bit	O
)	O
.	O
</s>
<s>
Open	O
Source	O
and	O
licensed	O
under	O
GPL	B-License
v3	O
.	O
</s>
<s>
In	O
record-oriented	B-Application
file	I-Application
systems	I-Application
files	O
are	O
stored	O
as	O
a	O
collection	O
of	O
records	O
.	O
</s>
<s>
They	O
are	O
typically	O
associated	O
with	O
mainframe	B-Architecture
and	O
minicomputer	B-Architecture
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
The	O
more	O
sophisticated	O
record-oriented	B-Application
file	I-Application
systems	I-Application
have	O
more	O
in	O
common	O
with	O
simple	O
databases	O
than	O
with	O
other	O
file	B-Application
systems	I-Application
.	O
</s>
<s>
Michigan	B-Application
Terminal	I-Application
System	I-Application
(	O
MTS	O
)	O
–	O
provides	O
"	O
line	O
files	O
"	O
where	O
record	O
lengths	O
and	O
line	O
numbers	O
are	O
associated	O
as	O
metadata	O
with	O
each	O
record	O
in	O
the	O
file	O
,	O
lines	O
can	O
be	O
added	O
,	O
replaced	O
,	O
updated	O
with	O
the	O
same	O
or	O
different	O
length	O
records	O
,	O
and	O
deleted	O
anywhere	O
in	O
the	O
file	O
without	O
the	O
need	O
to	O
read	O
and	O
rewrite	O
the	O
entire	O
file	O
.	O
</s>
<s>
A	O
FAT12	B-Application
and	O
FAT16	B-Application
(	O
and	O
FAT32	B-Application
)	O
extension	O
to	O
support	O
database-like	O
file	O
types	O
random	O
file	O
,	O
direct	O
file	O
,	O
keyed	O
file	O
and	O
sequential	B-Application
file	I-Application
in	O
Digital	B-Operating_System
Research	I-Operating_System
FlexOS	I-Operating_System
,	O
IBM	O
4680	O
OS	O
and	O
Toshiba	O
4690	B-Language
OS	I-Language
.	O
</s>
<s>
Pick	B-Application
Operating	I-Application
System	I-Application
–	O
A	O
record-oriented	B-Application
filesystem	I-Application
and	O
database	O
that	O
uses	O
hash-coding	O
to	O
store	O
data	O
.	O
</s>
<s>
Shared-disk	B-General_Concept
file	B-Application
systems	I-Application
(	O
also	O
called	O
shared-storage	O
file	B-Application
systems	I-Application
,	O
SAN	B-Application
file	I-Application
system	I-Application
,	O
Clustered	B-Application
file	I-Application
system	I-Application
or	O
even	O
cluster	B-Application
file	I-Application
systems	I-Application
)	O
are	O
primarily	O
used	O
in	O
a	O
storage	O
area	O
network	O
where	O
all	O
nodes	O
directly	O
access	O
the	O
block	B-General_Concept
storage	I-General_Concept
where	O
the	O
file	B-Application
system	I-Application
is	O
located	O
.	O
</s>
<s>
This	O
makes	O
it	O
possible	O
for	O
nodes	O
to	O
fail	O
without	O
affecting	O
access	O
to	O
the	O
file	B-Application
system	I-Application
from	O
the	O
other	O
nodes	O
.	O
</s>
<s>
Shared-disk	B-General_Concept
file	B-Application
systems	I-Application
are	O
normally	O
used	O
in	O
a	O
high-availability	B-General_Concept
cluster	I-General_Concept
together	O
with	O
storage	O
on	O
hardware	O
RAID	B-Architecture
.	O
</s>
<s>
Shared-disk	B-General_Concept
file	B-Application
systems	I-Application
normally	O
do	B-Architecture
not	I-Architecture
scale	I-Architecture
over	O
64	O
or	O
128	O
nodes	O
.	O
</s>
<s>
Shared-disk	B-General_Concept
file	B-Application
systems	I-Application
may	O
be	O
symmetric	B-Algorithm
where	O
metadata	O
is	O
distributed	O
among	O
the	O
nodes	O
or	O
asymmetric	O
with	O
centralized	O
metadata	O
servers	O
.	O
</s>
<s>
CXFS	B-Language
(	O
Clustered	O
XFS	B-Application
)	O
from	O
Silicon	O
Graphics	O
(	O
SGI	O
)	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
,	O
Mac	O
,	O
Windows	B-Application
,	O
Solaris	B-Application
,	O
AIX	B-Application
and	O
IRIX	B-Operating_System
.	O
</s>
<s>
Dell	O
Fluid	O
File	B-Application
System	I-Application
(	O
formerly	O
ExaFS	O
)	O
proprietary	B-Application
software	I-Application
sold	O
by	O
Dell	O
.	O
</s>
<s>
Shared-disk	B-General_Concept
system	O
sold	O
as	O
an	O
appliance	O
providing	O
distributed	B-Protocol
file	I-Protocol
systems	I-Protocol
to	O
clients	O
.	O
</s>
<s>
Running	O
on	O
Intel	O
based	O
hardware	O
serving	O
NFS	B-Protocol
v2/v3	O
,	O
SMB/CIFS	B-Operating_System
and	O
AFP	O
to	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Operating_System
and	O
other	O
UNIX	B-Application
clients	O
.	O
</s>
<s>
Blue	O
Whale	O
Clustered	B-Application
file	I-Application
system	I-Application
(	O
BWFS	O
)	O
from	O
Zhongke	O
Blue	O
Whale	O
.	O
</s>
<s>
Available	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Operating_System
,	O
and	O
macOS	B-Application
.	O
</s>
<s>
SAN	B-Application
File	I-Application
System	I-Application
(	O
SFS	B-Application
)	O
from	O
DataPlow	O
.	O
</s>
<s>
Available	O
for	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
Solaris	B-Application
,	O
and	O
macOS	B-Application
.	O
</s>
<s>
Symmetric	B-Algorithm
and	O
Asymmetric	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
,	O
AIX	B-Application
,	O
HP-UX	B-Application
,	O
IRIX	B-Operating_System
,	O
Solaris	B-Application
and	O
Windows	B-Application
.	O
</s>
<s>
Files-11	B-Application
on	O
VMSclusters	B-Operating_System
,	O
released	O
by	O
DEC	O
in	O
1983	O
,	O
now	O
from	O
HP	O
.	O
</s>
<s>
Symmetric	B-Algorithm
.	O
</s>
<s>
GFS2	B-Application
(	O
Global	B-Application
File	I-Application
System	I-Application
)	O
from	O
Red	O
Hat	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
under	O
GPL	B-License
.	O
</s>
<s>
Symmetric	B-Algorithm
(	O
GDLM	O
)	O
or	O
Asymmetric	O
(	O
GULM	O
)	O
.	O
</s>
<s>
IBM	B-Application
General	I-Application
Parallel	I-Application
File	I-Application
System	I-Application
(	O
GPFS	B-Application
)	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
AIX	B-Application
.	O
</s>
<s>
Nasan	B-Application
Clustered	B-Application
File	I-Application
System	I-Application
from	O
DataPlow	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
and	O
Solaris	B-Application
.	O
</s>
<s>
Oracle	B-Application
ACFS	I-Application
from	O
Oracle	B-Application
Corporation	I-Application
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
(	O
Red	O
Hat	O
Enterprise	O
Linux	B-Operating_System
5	O
and	O
Oracle	B-Application
Enterprise	O
Linux	B-Operating_System
5	O
only	O
)	O
.	O
</s>
<s>
Symmetric	B-Algorithm
.	O
</s>
<s>
OCFS2	B-Application
(	O
Oracle	B-Application
Cluster	I-Application
File	I-Application
System	I-Application
)	O
from	O
Oracle	B-Application
Corporation	I-Application
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
under	O
GPL	B-License
.	O
</s>
<s>
Symmetric	B-Algorithm
.	O
</s>
<s>
QFS	B-Application
from	O
Sun	O
Microsystems	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
(	O
client	O
only	O
)	O
and	O
Solaris	B-Application
(	O
metadata	O
server	O
and	O
client	O
)	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
under	O
the	O
GPL	B-License
.	O
</s>
<s>
Symmetric	B-Algorithm
.	O
</s>
<s>
StorNext	O
File	B-Application
System	I-Application
from	O
Quantum	O
.	O
</s>
<s>
Available	O
for	O
AIX	B-Application
,	O
HP-UX	B-Application
,	O
IRIX	B-Operating_System
,	O
Linux	B-Operating_System
,	O
macOS	B-Application
,	O
Solaris	B-Application
and	O
Windows	B-Application
.	O
</s>
<s>
Interoperable	O
with	O
Xsan	B-Application
.	O
</s>
<s>
Veritas	B-Application
Storage	I-Application
Foundation	I-Application
from	O
Symantec	O
.	O
</s>
<s>
Available	O
for	O
AIX	B-Application
,	O
HP-UX	B-Application
,	O
Linux	B-Operating_System
and	O
Solaris	B-Application
.	O
</s>
<s>
Xsan	B-Application
from	O
Apple	O
Inc	O
.	O
</s>
<s>
Available	O
for	O
macOS	B-Application
.	O
</s>
<s>
Interoperable	O
with	O
StorNext	O
File	B-Application
System	I-Application
.	O
</s>
<s>
VMFS	B-Application
from	O
VMware/EMC	O
Corporation	O
.	O
</s>
<s>
Available	O
for	O
VMware	B-Operating_System
ESX	I-Operating_System
Server	I-Operating_System
.	O
</s>
<s>
Symmetric	B-Algorithm
.	O
</s>
<s>
Distributed	B-Protocol
file	I-Protocol
systems	I-Protocol
are	O
also	O
called	O
network	B-Application
file	I-Application
systems	I-Application
.	O
</s>
<s>
9P	B-Operating_System
,	O
the	O
Plan	B-Operating_System
9	I-Operating_System
from	I-Operating_System
Bell	I-Operating_System
Labs	I-Operating_System
and	O
Inferno	B-Operating_System
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
protocol	O
.	O
</s>
<s>
One	O
implementation	O
is	O
v9fs	B-Application
.	O
</s>
<s>
Andrew	B-Application
File	I-Application
System	I-Application
(	O
AFS	O
)	O
is	O
scalable	B-Architecture
and	O
location	O
independent	O
,	O
has	O
a	O
heavy	O
client	O
cache	B-General_Concept
and	O
uses	O
Kerberos	B-Protocol
for	O
authentication	O
.	O
</s>
<s>
Implementations	O
include	O
the	O
original	O
from	O
IBM	O
(	O
earlier	O
Transarc	O
)	O
,	O
Arla	O
and	O
OpenAFS	B-Application
.	O
</s>
<s>
Avere	O
Systems	O
has	O
AvereOS	O
that	O
creates	O
a	O
NAS	B-Application
protocol	O
file	B-Application
system	I-Application
in	O
object	B-Application
storage	I-Application
.	O
</s>
<s>
DCE	B-Protocol
Distributed	I-Protocol
File	I-Protocol
System	I-Protocol
(	O
DCE/DFS	O
)	O
from	O
IBM	O
(	O
earlier	O
Transarc	O
)	O
is	O
similar	O
to	O
AFS	O
and	O
focus	O
on	O
full	O
POSIX	O
file	B-Application
system	I-Application
semantics	O
and	O
high	O
availability	O
.	O
</s>
<s>
Available	O
for	O
AIX	B-Application
and	O
Solaris	B-Application
under	O
a	O
proprietary	B-Application
software	I-Application
license	I-Application
.	O
</s>
<s>
File	B-Protocol
Access	I-Protocol
Listener	I-Protocol
(	O
FAL	O
)	O
is	O
an	O
implementation	O
of	O
the	O
Data	O
Access	O
Protocol	O
(	O
DAP	O
)	O
which	O
is	O
part	O
of	O
the	O
DECnet	B-Protocol
suite	O
of	O
network	O
protocols	O
created	O
by	O
Digital	O
Equipment	O
Corporation	O
.	O
</s>
<s>
Magma	B-Application
,	O
developed	O
by	O
Tx0	O
.	O
</s>
<s>
MapR	B-Application
FS	I-Application
is	O
a	O
distributed	O
high-performance	O
file	B-Application
system	I-Application
that	O
exhibits	O
file	O
,	O
table	O
and	O
messaging	O
APIs	O
.	O
</s>
<s>
NetWare	B-Protocol
Core	I-Protocol
Protocol	I-Protocol
(	O
NCP	O
)	O
from	O
Novell	O
is	O
used	O
in	O
networks	O
based	O
on	O
NetWare	B-Operating_System
.	O
</s>
<s>
Network	B-Protocol
File	I-Protocol
System	I-Protocol
(	O
NFS	B-Protocol
)	O
originally	O
from	O
Sun	O
Microsystems	O
is	O
the	O
standard	O
in	O
UNIX-based	O
networks	O
.	O
</s>
<s>
NFS	B-Protocol
may	O
use	O
Kerberos	B-Protocol
authentication	O
and	O
a	O
client	O
cache	B-General_Concept
.	O
</s>
<s>
OS4000	B-Operating_System
Linked-OS	O
provides	O
distributed	O
filesystem	B-Application
across	O
OS4000	B-Operating_System
systems	O
.	O
</s>
<s>
Self-certifying	B-Application
File	I-Application
System	I-Application
(	O
SFS	B-Application
)	O
,	O
a	O
global	O
network	B-Protocol
file	I-Protocol
system	I-Protocol
designed	O
to	O
securely	O
allow	O
access	O
to	O
file	B-Application
systems	I-Application
across	O
separate	O
administrative	O
domains	O
.	O
</s>
<s>
Server	B-Operating_System
Message	I-Operating_System
Block	I-Operating_System
(	O
SMB	B-Operating_System
)	O
originally	O
from	O
IBM	O
(	O
but	O
the	O
most	O
common	O
version	O
is	O
modified	O
heavily	O
by	O
Microsoft	O
)	O
is	O
the	O
standard	O
in	O
Windows-based	O
networks	O
.	O
</s>
<s>
SMB	B-Operating_System
is	O
also	O
known	O
as	O
Common	B-Operating_System
Internet	I-Operating_System
File	I-Operating_System
System	I-Operating_System
(	O
CIFS	B-Operating_System
)	O
.	O
</s>
<s>
SMB	B-Operating_System
may	O
use	O
Kerberos	B-Protocol
authentication	O
.	O
</s>
<s>
Distributed	O
fault-tolerant	B-General_Concept
replication	B-Architecture
of	O
data	O
between	O
nodes	O
(	O
between	O
servers	O
or	O
servers/clients	O
)	O
for	O
high	O
availability	O
and	O
offline	O
(	O
disconnected	O
)	O
operation	O
.	O
</s>
<s>
Coda	B-Application
from	O
Carnegie	O
Mellon	O
University	O
focuses	O
on	O
bandwidth-adaptive	O
operation	O
(	O
including	O
disconnected	O
operation	O
)	O
using	O
a	O
client-side	O
cache	B-General_Concept
for	O
mobile	O
computing	O
.	O
</s>
<s>
It	O
is	O
available	O
for	O
Linux	B-Operating_System
under	O
the	O
GPL	B-License
.	O
</s>
<s>
Distributed	B-Protocol
File	I-Protocol
System	I-Protocol
(	O
Dfs	B-Protocol
)	O
from	O
Microsoft	O
focuses	O
on	O
location	O
transparency	O
and	O
high	O
availability	O
.	O
</s>
<s>
Available	O
for	O
Windows	B-Application
under	O
a	O
proprietary	B-Application
software	I-Application
license	I-Application
.	O
</s>
<s>
HAMMER	B-Application
and	O
HAMMER2	B-Application
–	O
DragonFly	B-Application
BSD	I-Application
's	O
filesystems	B-Application
for	O
clustered	B-Application
storage	I-Application
,	O
created	O
by	O
Matt	O
Dillon	O
.	O
</s>
<s>
InterMezzo	B-Application
from	O
Cluster	B-Application
File	I-Application
Systems	I-Application
uses	O
synchronization	O
over	O
HTTP	B-Protocol
.	I-Protocol
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
under	O
GPL	B-License
but	O
no	O
longer	O
in	O
development	O
since	O
the	O
developers	O
are	O
working	O
on	O
Lustre	B-Application
.	O
</s>
<s>
Moose	B-Application
File	I-Application
System	I-Application
(	O
MooseFS	B-Application
)	O
is	O
a	O
networking	O
,	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
.	O
</s>
<s>
Works	O
on	O
Linux	B-Operating_System
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
OpenSolaris	B-Operating_System
and	O
macOS	B-Application
.	O
</s>
<s>
Master	O
server	O
and	O
chunkservers	O
can	O
also	O
run	O
on	O
Solaris	B-Application
and	O
Windows	B-Application
with	O
Cygwin	O
.	O
</s>
<s>
Scality	B-General_Concept
is	O
a	O
distributed	O
fault-tolerant	B-General_Concept
filesystem	B-Application
.	O
</s>
<s>
Tahoe-LAFS	B-General_Concept
is	O
an	O
open	O
source	O
secure	O
,	O
decentralized	O
,	O
fault-tolerant	B-General_Concept
filesystem	B-Application
utilizing	O
encryption	O
as	O
the	O
basis	O
for	O
a	O
least-authority	O
replicated	O
design	O
.	O
</s>
<s>
A	O
FAT12	B-Application
and	O
FAT16	B-Application
(	O
and	O
FAT32	B-Application
)	O
extension	O
to	O
support	O
automatic	O
file	O
distribution	O
across	O
nodes	O
with	O
extra	O
attributes	O
like	O
local	O
,	O
mirror	O
on	O
update	O
,	O
mirror	O
on	O
close	O
,	O
compound	O
on	O
update	O
,	O
compound	O
on	O
close	O
in	O
IBM	O
4680	O
OS	O
and	O
Toshiba	O
4690	B-Language
OS	I-Language
.	O
</s>
<s>
Distributed	O
parallel	B-Application
file	I-Application
systems	I-Application
stripe	O
data	O
over	O
multiple	O
servers	O
for	O
high	O
performance	O
.	O
</s>
<s>
They	O
are	O
normally	O
used	O
in	O
high-performance	B-Architecture
computing	I-Architecture
(	O
HPC	B-Architecture
)	O
.	O
</s>
<s>
Some	O
of	O
the	O
distributed	O
parallel	B-Application
file	I-Application
systems	I-Application
use	O
an	O
object	B-Application
storage	I-Application
device	I-Application
(	O
OSD	O
)	O
(	O
in	O
Lustre	B-Application
called	O
OST	O
)	O
for	O
chunks	O
of	O
data	O
together	O
with	O
centralized	O
metadata	O
servers	O
.	O
</s>
<s>
Lustre	B-Application
is	O
an	O
open-source	B-Application
high-performance	O
distributed	O
parallel	B-Application
file	I-Application
system	I-Application
for	O
Linux	B-Operating_System
,	O
used	O
on	O
many	O
of	O
the	O
largest	O
computers	O
in	O
the	O
world	O
.	O
</s>
<s>
Parallel	B-Application
Virtual	I-Application
File	I-Application
System	I-Application
(	O
PVFS	O
,	O
PVFS2	O
,	O
OrangeFS	B-Application
)	O
.	O
</s>
<s>
Available	O
for	O
Linux	B-Operating_System
under	O
GPL	B-License
.	O
</s>
<s>
Distributed	B-Protocol
file	I-Protocol
systems	I-Protocol
,	O
which	O
also	O
are	O
parallel	B-Operating_System
and	O
fault	B-General_Concept
tolerant	I-General_Concept
,	O
stripe	O
and	O
replicate	O
data	O
over	O
multiple	O
servers	O
for	O
high	O
performance	O
and	O
to	O
maintain	O
data	O
integrity	O
.	O
</s>
<s>
The	O
file	B-Application
systems	I-Application
are	O
used	O
in	O
both	O
high-performance	B-Architecture
computing	I-Architecture
(	O
HPC	B-Architecture
)	O
and	O
high-availability	B-General_Concept
clusters	I-General_Concept
.	O
</s>
<s>
All	O
file	B-Application
systems	I-Application
listed	O
here	O
focus	O
on	O
high	O
availability	O
,	O
scalability	B-Architecture
and	O
high	O
performance	O
unless	O
otherwise	O
stated	O
below	O
.	O
</s>
<s>
Name	O
By	O
License	O
OS	O
Description	O
Alluxio	B-Application
UC	O
Berkeley	O
,	O
Alluxio	B-Application
Apache	B-Application
License	I-Application
cross-platform	B-Operating_System
An	O
open-source	B-Application
virtual	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
(	O
VDFS	O
)	O
.	O
</s>
<s>
BeeGFS	B-Application
(	O
formerly	O
FhGFS	B-Application
)	O
Fraunhofer	O
Society	O
GNU	B-License
GPL	I-License
v2	O
for	O
client	O
,	O
other	O
components	O
are	O
proprietary	B-Application
Linux	B-Operating_System
A	O
free	O
to	O
use	O
file	B-Application
system	I-Application
with	O
optional	O
professional	O
support	O
,	O
designed	O
for	O
easy	O
usage	O
and	O
high	O
performance	O
,	O
used	O
on	O
some	O
of	O
the	O
fastest	B-Operating_System
computer	I-Operating_System
clusters	O
in	O
the	O
world	O
.	O
</s>
<s>
BeeGFS	B-Application
allows	O
replication	B-Architecture
of	O
storage	O
volumes	O
with	O
automatic	O
failover	B-General_Concept
and	O
self-healing	O
.	O
</s>
<s>
CephFS	O
Inktank	O
Storage	O
,	O
a	O
company	O
acquired	O
by	O
Red	O
Hat	O
GNU	B-Application
LGPL	I-Application
Linux	B-Operating_System
kernel	I-Operating_System
,	O
FreeBSD	B-Operating_System
via	O
FUSE	B-Application
A	O
massively	O
scalable	B-Architecture
object	B-Application
store	I-Application
.	O
</s>
<s>
CephFS	O
was	O
merged	O
into	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
in	O
2010	O
.	O
</s>
<s>
Ceph	O
's	O
foundation	O
is	O
the	O
reliable	O
autonomic	O
distributed	O
object	B-Application
store	I-Application
(	O
RADOS	O
)	O
,	O
which	O
provides	O
object	B-Application
storage	I-Application
via	O
programmatic	O
interface	O
and	O
S3	O
or	O
Swift	O
REST	O
APIs	O
,	O
block	B-General_Concept
storage	I-General_Concept
to	O
QEMU/KVM/Linux	O
hosts	O
,	O
and	O
POSIX	O
filesystem	B-Application
storage	O
which	O
can	O
be	O
mounted	O
by	O
Linux	B-Operating_System
kernel	I-Operating_System
and	O
FUSE	B-Application
clients	O
.	O
</s>
<s>
Chiron	B-Application
FS	I-Application
GNU	B-License
GPL	I-License
v3	O
It	O
's	O
a	O
FUSE-based	O
,	O
transparent	O
replication	B-Architecture
file	B-Application
system	I-Application
,	O
layering	O
on	O
an	O
existing	O
file	B-Application
system	I-Application
and	O
implementing	O
at	O
the	O
file	B-Application
system	I-Application
level	O
what	O
RAID	B-Architecture
1	O
does	O
at	O
the	O
device	O
level	O
.	O
</s>
<s>
CloudStore	B-Language
Kosmix	O
Apache	B-Application
License	I-Application
Google	B-Application
File	I-Application
System	I-Application
workalike	O
.	O
</s>
<s>
Replaced	O
by	O
Quantcast	B-Language
File	I-Language
System	I-Language
(	O
QFS	B-Application
)	O
dCache	O
DESY	O
and	O
others	O
proprietary	B-Application
(	O
Free	O
for	O
non-commercial	O
usage	O
)	O
A	O
write	O
once	O
filesystem	B-Application
,	O
accessible	O
via	O
various	O
protocols	O
.	O
</s>
<s>
General	B-Application
Parallel	I-Application
File	I-Application
System	I-Application
(	O
GPFS	B-Application
)	O
IBM	O
Proprietary	B-Application
AIX	B-Application
,	O
Linux	B-Operating_System
and	O
Windows	B-Application
A	O
POSIX-compliant	O
,	O
high-performance	O
,	O
parallel	B-Application
filesystem	I-Application
.	O
</s>
<s>
Support	O
synchronous	O
replication	B-Architecture
between	O
attached	O
block	B-General_Concept
storage	I-General_Concept
,	O
and	O
asynchronous	O
replication	B-Architecture
to	O
remote	O
filesystems	B-Application
.	O
</s>
<s>
Gfarm	B-Application
file	I-Application
system	I-Application
Asia	O
Pacific	O
Grid	O
X11	B-License
License	I-License
Linux	B-Operating_System
,	O
macOS	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
and	O
Solaris	B-Application
Uses	O
OpenLDAP	B-Language
or	O
PostgreSQL	B-Application
for	O
metadata	O
and	O
FUSE	B-Application
or	O
LUFS	B-Application
for	O
mounting	O
.	O
</s>
<s>
GlusterFS	B-Application
Gluster	O
,	O
a	O
company	O
acquired	O
by	O
Red	O
Hat	O
GNU	B-License
GPL	I-License
v3	O
Linux	B-Operating_System
,	O
NetBSD	B-Device
,	O
FreeBSD	B-Operating_System
,	O
OpenSolaris	B-Operating_System
A	O
general	O
purpose	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
for	O
scalable	B-Architecture
storage	O
.	O
</s>
<s>
It	O
aggregates	O
various	O
storage	O
bricks	O
over	O
Infiniband	O
RDMA	B-General_Concept
or	O
TCP/IP	O
interconnect	O
into	O
one	O
large	O
parallel	B-Operating_System
network	B-Protocol
file	I-Protocol
system	I-Protocol
.	O
</s>
<s>
GlusterFS	B-Application
is	O
the	O
main	O
component	O
in	O
Red	O
Hat	O
Storage	O
Server	O
.	O
</s>
<s>
Google	B-Application
File	I-Application
System	I-Application
(	O
GFS	O
)	O
Google	B-Application
internal	O
software	O
Focus	O
on	O
fault	B-General_Concept
tolerance	I-General_Concept
,	O
high	O
throughput	O
and	O
scalability	B-Architecture
.	O
</s>
<s>
Hadoop	O
Distributed	B-Protocol
File	I-Protocol
System	I-Protocol
Apache	O
Software	O
Foundation	O
Apache	B-Application
License	I-Application
Cross-platform	B-Operating_System
Open	O
source	O
GoogleFS	B-Application
clone	O
.	O
</s>
<s>
IBRIX	B-General_Concept
Fusion	I-General_Concept
IBRIX	B-General_Concept
Proprietary	B-Application
JuiceFS	O
Juicedata	O
Apache	B-Application
License	I-Application
cross-platform	B-Operating_System
An	O
open-source	B-Application
POSIX-compliant	O
file	B-Application
system	I-Application
built	O
on	O
top	O
of	O
Redis	B-Operating_System
and	O
object	B-Application
storage	I-Application
(	O
e.g.	O
</s>
<s>
Amazon	B-General_Concept
S3	I-General_Concept
)	O
,	O
designed	O
and	O
optimized	O
for	O
cloud	O
native	O
environment	O
.	O
</s>
<s>
LizardFS	B-Application
Skytechnology	O
GNU	B-License
GPL	I-License
v3	O
cross-platform	B-Operating_System
An	O
open	O
source	O
,	O
highly	O
available	O
POSIX-compliant	O
file	B-Application
system	I-Application
that	O
supports	O
Windows	B-Application
clients	O
.	O
</s>
<s>
Lustre	B-Application
originally	O
developed	O
by	O
Cluster	B-Application
File	I-Application
Systems	I-Application
and	O
currently	O
supported	O
by	O
OpenSFS	O
GNU	B-License
GPL	I-License
v2	O
&	O
LGPL	B-Application
Linux	B-Operating_System
A	O
POSIX-compliant	O
,	O
high-performance	O
filesystem	B-Application
used	O
on	O
a	O
majority	O
of	O
systems	O
in	O
the	O
Top-500	B-Operating_System
list	O
of	O
HPC	B-Architecture
systems	O
.	O
</s>
<s>
Lustre	B-Application
has	O
high	O
availability	O
via	O
storage	O
failover	B-General_Concept
.	O
</s>
<s>
MapR	B-Application
FS	I-Application
MapR	B-General_Concept
Proprietary	B-Application
Linux	B-Operating_System
Highly	O
scalable	B-Architecture
,	O
POSIX	O
compliant	O
,	O
fault	B-General_Concept
tolerant	I-General_Concept
,	O
read/write	O
filesystem	B-Application
with	O
a	O
distributed	O
,	O
fault	B-General_Concept
tolerant	I-General_Concept
metadata	O
service	O
.	O
</s>
<s>
It	O
provides	O
an	O
HDFS	O
and	O
NFS	B-Protocol
interface	O
to	O
clients	O
as	O
well	O
as	O
a	O
noSQL	O
table	O
interface	O
and	O
Apache	B-Language
Kafka	I-Language
compatible	O
messaging	O
system	O
.	O
</s>
<s>
MooseFS	B-Application
Core	O
Technology	O
GNU	B-License
GPL	I-License
v2	O
and	O
proprietary	B-Application
cross-platform	B-Operating_System
(	O
Linux	B-Operating_System
,	O
NetBSD	B-Device
,	O
FreeBSD	B-Operating_System
,	O
macOS	B-Application
,	O
OpenSolaris	B-Operating_System
)	O
A	O
fault	B-General_Concept
tolerant	I-General_Concept
,	O
highly	O
available	O
and	O
high	O
performance	O
scale-out	B-Architecture
network	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
.	O
</s>
<s>
For	O
standard	O
file	O
operations	O
MooseFS	B-Application
acts	O
like	O
any	O
other	O
Unix-like	O
file	B-Application
systems	I-Application
.	O
</s>
<s>
ObjectiveFS	B-Application
Objective	O
Security	O
Corporation	O
Proprietary	B-Application
Linux	B-Operating_System
,	O
macOS	B-Application
POSIX-compliant	O
shared	O
distributed	O
filesystem	B-Application
.	O
</s>
<s>
Uses	O
object	B-Application
store	I-Application
as	O
a	O
backend	O
.	O
</s>
<s>
Runs	O
on	O
AWS	B-General_Concept
S3	I-General_Concept
,	O
GCS	O
and	O
object	B-Application
store	I-Application
devices	O
.	O
</s>
<s>
OneFS	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
Isilon	O
Proprietary	B-Application
FreeBSD	B-Operating_System
BSD-based	O
OS	O
on	O
dedicated	O
Intel	O
based	O
hardware	O
,	O
serving	O
NFS	B-Protocol
v3	O
and	O
SMB/CIFS	B-Operating_System
to	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	B-Operating_System
and	O
other	O
UNIX	B-Application
clients	O
under	O
a	O
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
OIO-FS	O
OpenIO	B-Device
Proprietary	B-Application
Linux	B-Operating_System
OIO-FS	O
provides	O
file-oriented	O
access	O
to	O
OpenIO	B-Device
SDS	I-Device
object	B-Application
storage	I-Application
backend	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
FUSE	B-Application
technology	O
and	O
presents	O
a	O
POSIX	O
file	B-Application
system	I-Application
to	O
users	O
.	O
</s>
<s>
This	O
access	O
can	O
be	O
used	O
locally	O
,	O
or	O
over	O
a	O
network	O
using	O
NFS	B-Protocol
or	O
SMB	B-Operating_System
.	O
</s>
<s>
PanFS	O
Panasas	O
Proprietary	B-Application
Linux	B-Operating_System
,	O
macOS	B-Application
,	O
FreeBSD	B-Operating_System
A	O
POSIX-compliant	O
,	O
high-performance	O
,	O
parallel	B-Application
filesystem	I-Application
used	O
by	O
HPC	B-Architecture
clusters	O
.	O
</s>
<s>
It	O
uses	O
erasure	O
coding	O
and	O
snapshots	O
for	O
data	O
protection	O
,	O
is	O
based	O
upon	O
a	O
scale-out	B-Architecture
object	B-Application
store	I-Application
,	O
and	O
is	O
focused	O
on	O
transparent	O
failure	O
recovery	O
and	O
ease	O
of	O
use	O
.	O
</s>
<s>
RozoFS	B-Application
Rozo	O
Systems	O
GNU	B-License
GPL	I-License
v2	O
Linux	B-Operating_System
A	O
POSIX	O
DFS	B-Protocol
focused	O
on	O
fault-tolerance	B-General_Concept
and	O
high-performance	O
,	O
based	O
on	O
the	O
Mojette	B-Algorithm
erasure	O
code	O
to	O
reduce	O
significantly	O
the	O
amount	O
of	O
redundancy	O
(	O
compared	O
to	O
plain	O
replication	B-Architecture
)	O
.	O
</s>
<s>
Scality	B-General_Concept
Scality	B-General_Concept
ring	O
Proprietary	B-Application
Linux	B-Operating_System
A	O
POSIX	O
file	B-Application
system	I-Application
focused	O
on	O
high	O
availability	O
and	O
performance	O
.	O
</s>
<s>
Also	O
provides	O
S3/REST/NFS	O
interfaces	O
.	O
</s>
<s>
Tahoe-LAFS	B-General_Concept
Tahoe-LAFS	B-General_Concept
Software	O
Foundation	O
GNU	B-License
GPL	I-License
v2+	O
and	O
other	O
Windows	B-Application
,	O
Linux	B-Operating_System
,	O
macOS	B-Application
A	O
secure	O
,	O
decentralized	O
,	O
fault-tolerant	B-General_Concept
,	O
peer-to-peer	O
distributed	O
data	O
store	O
and	O
distributed	B-Protocol
file	I-Protocol
system	I-Protocol
.	O
</s>
<s>
XtreemFS	B-Application
Contrail	O
E.U.	O
</s>
<s>
project	O
,	O
the	O
German	O
MoSGrid	O
project	O
and	O
the	O
German	O
project	O
"	O
First	O
We	O
Take	O
Berlin	O
"	O
BSD	B-Operating_System
3-Clause	O
Linux	B-Operating_System
,	O
Solaris	B-Application
,	O
macOS	B-Application
,	O
Windows	B-Application
A	O
cross-platform	B-Operating_System
file	B-Application
system	I-Application
for	O
wide	O
area	O
networks	O
.	O
</s>
<s>
It	O
replicates	O
the	O
data	O
for	O
fault	B-General_Concept
tolerance	I-General_Concept
and	O
caches	B-General_Concept
metadata	O
and	O
data	O
to	O
improve	O
performance	O
over	O
high-latency	O
links	O
.	O
</s>
<s>
SSL	B-Protocol
and	O
X.509	O
certificates	O
support	O
makes	O
XtreemFS	B-Application
usable	O
over	O
public	O
networks	O
.	O
</s>
<s>
It	O
also	O
supports	O
striping	B-General_Concept
for	O
usage	O
in	O
a	O
cluster	B-Architecture
.	O
</s>
<s>
zFS	B-Application
from	O
IBM	O
(	O
not	O
to	O
be	O
confused	O
with	O
ZFS	B-Application
from	O
Sun	O
Microsystems	O
or	O
the	O
zFS	B-Application
file	B-Application
system	I-Application
provided	O
with	O
IBM	O
's	O
z/OS	B-Application
operating	B-General_Concept
system	I-General_Concept
)	O
focus	O
on	O
cooperative	O
cache	B-General_Concept
and	O
distributed	B-General_Concept
transactions	I-General_Concept
and	O
uses	O
object	B-Application
storage	I-Application
devices	I-Application
.	O
</s>
<s>
Parallel	B-Application
Optimized	I-Application
Host	I-Application
Message	I-Application
Exchange	I-Application
Layered	I-Application
File	I-Application
System	I-Application
(	O
POHMELFS	B-Application
)	O
and	O
Distributed	B-Application
STorage	I-Application
(	O
DST	O
)	O
.	O
</s>
<s>
Cleversafe	O
uses	O
Cauchy	O
Reed	B-Error_Name
–	I-Error_Name
Solomon	I-Error_Name
information	O
dispersal	O
algorithms	O
to	O
separate	O
data	O
into	O
unrecognizable	O
slices	O
and	O
distribute	O
them	O
,	O
via	O
secure	O
Internet	O
connections	O
,	O
to	O
multiple	O
storage	O
locations	O
.	O
</s>
<s>
Scality	B-General_Concept
is	O
a	O
distributed	O
filesystem	B-Application
using	O
the	O
Chord	B-Application
peer-to-peer	O
protocol	O
.	O
</s>
<s>
IPFS	B-Protocol
InterPlanetary	B-Protocol
File	I-Protocol
System	I-Protocol
is	O
p2p	O
,	O
worldwide	O
distributed	O
content-addressable	O
,	O
file-system	B-Application
.	O
</s>
<s>
Barracuda	O
WebDAV	B-Protocol
plug-in	O
.	O
</s>
<s>
Secure	O
Network	O
File	O
Server	O
for	O
embedded	B-Architecture
devices	I-Architecture
.	O
</s>
<s>
Boot	B-Application
File	I-Application
System	I-Application
is	O
used	O
on	O
UnixWare	B-Operating_System
to	O
store	O
files	O
necessary	O
for	O
its	O
boot	O
process	O
.	O
</s>
<s>
GridFS	O
–	O
GridFS	O
is	O
a	O
specification	O
for	O
storing	O
and	O
retrieving	O
files	O
that	O
exceed	O
the	O
BSON-document	O
size	O
limit	O
of	O
16	O
MB	O
for	O
MongoDB	B-Application
.	O
</s>
<s>
MVFS	B-Protocol
–	O
MultiVersion	B-Protocol
File	I-Protocol
System	I-Protocol
,	O
proprietary	B-Application
,	O
used	O
by	O
Rational	B-Protocol
ClearCase	I-Protocol
.	O
</s>
<s>
OverlayFS	B-Application
–	O
A	O
union	B-Application
mount	I-Application
filesystem	B-Application
implementation	O
for	O
Linux	B-Operating_System
.	O
</s>
<s>
Used	O
mainly	O
by	O
Docker	B-Language
for	O
its	O
image	O
layers	O
.	O
</s>
<s>
Venti	B-Application
–	O
Plan	B-Operating_System
9	I-Operating_System
de-duplicated	O
storage	O
used	O
by	O
Fossil	B-Application
.	O
</s>
<s>
sysfs	B-Application
–	O
a	O
virtual	B-Application
file	I-Application
system	I-Application
in	O
Linux	B-Operating_System
holding	O
information	O
about	O
buses	O
,	O
devices	O
,	O
firmware	O
,	O
filesystems	B-Application
,	O
etc	O
.	O
</s>
<s>
sysctlfs	O
–	O
allow	O
accessing	O
sysctl	B-Application
nodes	O
via	O
a	O
file	B-Application
system	I-Application
;	O
available	O
on	O
NetBSD	B-Device
via	O
PUFFS	O
,	O
FreeBSD	B-Operating_System
kernel	B-Operating_System
via	O
a	O
3rd-party	O
module	O
,	O
and	O
Linux	B-Operating_System
as	O
a	O
part	O
of	O
Linux	B-Operating_System
procfs	B-Application
.	O
</s>
<s>
kernfs	B-Application
–	O
a	O
file	B-Application
system	I-Application
found	O
on	O
some	O
BSD	B-Operating_System
systems	O
(	O
notably	O
NetBSD	B-Device
)	O
that	O
provides	O
access	O
to	O
some	O
kernel	B-Operating_System
state	O
variables	O
;	O
similar	O
to	O
sysctlfs	O
,	O
Linux	B-Operating_System
procfs	B-Application
and	O
Linux	B-Operating_System
sysfs	B-Application
.	O
</s>
<s>
Secure	B-Application
Shell	I-Application
File	I-Application
System	I-Application
(	O
SSHFS	B-Application
)	O
–	O
locally	O
mount	O
a	O
remote	O
directory	O
on	O
a	O
server	O
using	O
only	O
a	O
secure	B-Protocol
shell	I-Protocol
login	O
.	O
</s>
<s>
EFS	B-Operating_System
–	O
an	O
encrypted	O
file	B-Application
system	I-Application
for	O
Microsoft	B-Application
Windows	I-Application
systems	O
and	O
AIX	B-Application
.	O
</s>
<s>
ZFS	B-Application
,	O
with	O
encryption	O
support	O
.	O
</s>
<s>
These	O
are	O
not	O
really	O
file	B-Application
systems	I-Application
;	O
they	O
allow	O
access	O
to	O
file	B-Application
systems	I-Application
from	O
an	O
operating	B-General_Concept
system	I-General_Concept
standpoint	O
.	O
</s>
