<s>
debugfs	B-Application
is	O
a	O
special	O
file	O
system	O
available	O
in	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
since	O
version	O
2.6.10-rc3	O
.	O
</s>
<s>
debugfs	B-Application
is	O
a	O
simple-to-use	O
RAM-based	O
file	O
system	O
specially	O
designed	O
for	O
debugging	O
purposes	O
.	O
</s>
<s>
It	O
exists	O
as	O
a	O
simple	O
way	O
for	O
kernel	B-Operating_System
developers	O
to	O
make	O
information	O
available	O
to	O
user	O
space	O
.	O
</s>
<s>
Unlike	O
,	O
which	O
is	O
only	O
meant	O
for	O
information	O
about	O
a	O
process	O
,	O
or	O
sysfs	B-Application
,	O
which	O
has	O
strict	O
one-value-per-file	O
rules	O
,	O
debugfs	B-Application
has	O
no	O
rules	O
at	O
all	O
.	O
</s>
<s>
To	O
compile	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
with	O
the	O
debugfs	B-Application
facility	O
,	O
the	O
option	O
must	O
be	O
set	O
to	O
yes	O
.	O
</s>
<s>
It	O
can	O
be	O
manipulated	O
using	O
several	O
calls	O
from	O
the	O
C	B-Language
header	I-Language
file	I-Language
,	O
which	O
include	O
:	O
</s>
<s>
for	O
removing	O
a	O
debugfs	B-Application
entry	O
from	O
the	O
debug	O
filesystem	O
.	O
</s>
