<s>
GNOME	B-Language
Display	I-Language
Manager	I-Language
(	O
GDM	B-Language
)	O
is	O
a	O
display	B-Device
manager	I-Device
(	O
a	O
graphical	O
login	B-Device
manager	I-Device
)	O
for	O
the	O
windowing	B-Application
systems	I-Application
X11	B-Operating_System
and	O
Wayland	B-Language
.	O
</s>
<s>
The	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
by	O
default	O
uses	O
the	O
XDM	B-Language
display	B-Device
manager	I-Device
.	O
</s>
<s>
However	O
,	O
resolving	O
XDM	B-Language
configuration	O
issues	O
typically	O
involves	O
editing	O
a	O
configuration	B-Protocol
file	I-Protocol
.	O
</s>
<s>
GDM	B-Language
allows	O
users	O
to	O
customize	O
or	O
troubleshoot	O
settings	O
without	O
having	O
to	O
resort	O
to	O
a	O
command	B-Application
line	I-Application
.	O
</s>
<s>
Users	O
can	O
pick	O
their	O
session	B-Operating_System
type	O
on	O
a	O
per-login	O
basis	O
.	O
</s>
<s>
GDM	B-Language
2.38.0	O
is	O
the	O
last	O
version	O
that	O
features	O
customization	O
with	O
themes	B-Application
;	O
subsequent	O
releases	O
do	O
not	O
support	O
themes	B-Application
.	O
</s>
<s>
GDM	B-Language
is	O
a	O
display	B-Device
manager	I-Device
that	O
implements	O
all	O
significant	O
features	O
required	O
for	O
managing	O
attached	O
and	O
remote	O
displays	O
.	O
</s>
<s>
GDM	B-Language
was	O
written	O
from	O
scratch	O
and	O
does	O
not	O
contain	O
any	O
XDM	B-Language
or	O
X	B-Operating_System
Consortium	O
code	O
.	O
</s>
<s>
GDM	B-Language
comprises	O
the	O
following	O
components	O
:	O
</s>
<s>
Until	O
version	O
2.22	O
,	O
GDM	B-Language
had	O
a	O
few	O
Easter	O
eggs	O
,	O
in	O
the	O
form	O
of	O
strings	O
to	O
be	O
entered	O
in	O
the	O
username	O
box	O
.	O
</s>
<s>
These	O
can	O
be	O
found	O
in	O
the	O
source	O
file	O
"	O
gui/guilogin.c	O
"	O
,	O
in	O
a	O
function	O
named	O
"	O
evil	O
"	O
.	O
</s>
<s>
This	O
changes	O
the	O
mouse	O
cursor	O
to	O
a	O
randomly	O
selected	O
1	O
of	O
77	O
different	O
"	O
cursor	O
fonts	O
"	O
as	O
defined	O
in	O
the	O
X11	B-Operating_System
specification	O
.	O
</s>
<s>
Some	O
of	O
the	O
copyright	O
notices	O
of	O
GDM	B-Language
refer	O
to	O
the	O
"	O
Queen	O
of	O
England	O
"	O
,	O
whom	O
release	O
announcements	O
from	O
version	O
2.2.1	O
also	O
named	O
as	O
a	O
maintainer	O
.	O
</s>
