<s>
The	O
Boot	B-Application
File	I-Application
System	I-Application
(	O
named	O
BFS	O
on	O
Linux	B-Application
,	O
but	O
BFS	O
also	O
refers	O
to	O
the	O
Be	B-Language
File	I-Language
System	I-Language
)	O
was	O
used	O
on	O
UnixWare	B-Operating_System
to	O
store	O
files	O
necessary	O
to	O
its	O
boot	O
process	O
.	O
</s>
<s>
Besides	O
the	O
UnixWare	B-Operating_System
support	O
,	O
Martin	O
Hinner	O
wrote	O
a	O
bfs	O
kernel	O
module	O
for	O
Linux	B-Application
that	O
supports	O
it	O
.	O
</s>
<s>
The	O
Linux	B-Application
kernel	O
implementation	O
of	O
BFS	O
was	O
written	O
by	O
Tigran	O
Aivazian	O
and	O
it	O
became	O
part	O
of	O
the	O
standard	O
kernel	O
sources	O
on	O
28	O
October	O
1999	O
(	O
Linux	B-Application
version	O
2.3.25	O
)	O
.	O
</s>
<s>
The	O
original	O
BFS	O
was	O
written	O
at	O
AT&T	O
Bell	O
Laboratories	O
for	O
the	O
UNIX	B-Operating_System
System	I-Operating_System
V	I-Operating_System
,	O
Version	O
4.0	O
porting	O
base	O
in	O
1986	O
.	O
</s>
<s>
It	O
was	O
written	O
by	O
Ron	O
Schnell	O
,	O
who	O
is	O
also	O
the	O
author	O
of	O
Dunnet	B-Operating_System
(	O
game	O
)	O
.	O
</s>
<s>
BFS	O
was	O
the	O
first	O
non-S5	O
(	O
System	B-Operating_System
V	I-Operating_System
)	O
Filesystem	O
written	O
using	O
VFS	O
(	O
Virtual	B-Application
Filesystem	I-Application
)	O
for	O
AT&T	B-Operating_System
UNIX	I-Operating_System
.	O
</s>
