<s>
In	O
computing	O
,	O
the	O
WINGs	B-Device
Display	I-Device
Manager	I-Device
(	O
WDM	O
)	O
is	O
a	O
display	B-Device
manager	I-Device
for	O
the	O
X	B-Operating_System
window	I-Operating_System
system	I-Operating_System
,	O
mainly	O
used	O
for	O
graphically	O
logging	O
in	O
,	O
on	O
a	O
Unix-based	O
system	O
.	O
</s>
<s>
WINGs	O
is	O
a	O
modification	O
of	O
XDM	B-Language
,	O
XFree86	O
's	O
original	O
display	B-Device
manager	I-Device
.	O
</s>
<s>
It	O
uses	O
the	O
WINGs	O
widget	B-Library
toolkit	I-Library
.	O
</s>
