<s>
xconfig	B-Language
is	O
the	O
name	O
of	O
the	O
xconfig	B-Language
Makefile	B-Application
target	O
for	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
.	O
</s>
<s>
It	O
is	O
a	O
graphical	O
Linux	B-Operating_System
compilation	O
utility	O
,	O
which	O
uses	O
Qt	B-Language
.	O
</s>
<s>
The	O
xconfig	B-Language
utility	O
is	O
invoked	O
by	O
running	O
make	O
xconfig	B-Language
in	O
the	O
base	O
Linux	B-Operating_System
source	O
directory	O
.	O
</s>
<s>
Qt	B-Language
has	O
only	O
been	O
used	O
since	O
kernel	B-Operating_System
2.6	O
.	O
</s>
<s>
Kernel	B-Operating_System
2.4	O
uses	O
a	O
Tcl/Tk	B-Application
configuration	O
interface	O
.	O
</s>
<s>
A	O
GTK+	B-Application
interface	O
(	O
gconfig	O
)	O
is	O
also	O
available	O
since	O
kernel	B-Operating_System
2.6	O
.	O
</s>
