<s>
The	O
LTR	O
x86	B-Operating_System
instruction	O
stands	O
for	O
load	B-Device
task	I-Device
register	I-Device
and	O
is	O
used	O
in	O
operating	B-General_Concept
systems	I-General_Concept
that	O
support	O
multitasking	B-Operating_System
.	O
</s>
<s>
LTR	O
is	O
supported	O
only	O
in	O
protected	B-Application
mode	I-Application
and	O
long	B-Application
mode	I-Application
,	O
not	O
in	O
real	B-Application
mode	I-Application
or	O
virtual	B-Application
8086	I-Application
mode	I-Application
.	O
</s>
<s>
LTR	O
loads	O
the	O
special	O
x86	B-Operating_System
task	O
register	O
with	O
a	O
segment	O
selector	O
that	O
points	O
to	O
a	O
task	B-Device
state	I-Device
segment	I-Device
(	O
TSS	O
)	O
.	O
</s>
<s>
Note	O
that	O
the	O
x86	B-Operating_System
task	O
register	O
is	O
only	O
accessible	O
directly	O
through	O
the	O
LTR	O
and	O
STR	O
instructions	O
.	O
</s>
