<s>
In	O
the	O
Berkeley	B-Operating_System
Software	I-Operating_System
Distribution	I-Operating_System
(	O
BSD	B-Operating_System
)	O
and	O
its	O
descendants	O
,	O
kernfs	B-Application
is	O
a	O
pseudo	B-Application
file	I-Application
system	I-Application
that	O
provides	O
access	O
to	O
information	O
on	O
the	O
currently	O
running	O
kernel	B-Operating_System
.	O
</s>
<s>
The	O
file	B-Application
system	I-Application
itself	O
and	O
its	O
content	O
are	O
dynamically	O
generated	O
when	O
the	O
operating	B-General_Concept
system	I-General_Concept
is	O
booted	B-Operating_System
,	O
and	O
the	O
kernfs	B-Application
is	O
often	O
mounted	B-Application
at	O
the	O
directory	O
.	O
</s>
<s>
As	O
a	O
result	O
of	O
its	O
nature	O
,	O
kernfs	B-Application
does	O
not	O
consist	O
of	O
actual	O
files	O
on	O
a	O
storage	O
device	O
,	O
allowing	O
instead	O
processes	B-Operating_System
to	O
retrieve	O
system	O
information	O
by	O
accessing	O
virtual	O
files	O
.	O
</s>
<s>
kernfs	B-Application
first	O
appeared	O
in	O
4.4BSD	O
,	O
and	O
NetBSD6.0	O
continues	O
to	O
use	O
kernfs	B-Application
by	O
default	O
while	O
mounting	B-Application
it	O
at	O
the	O
canonical	O
mount	O
point	O
.	O
</s>
