<s>
Liberty	B-Language
BASIC	I-Language
(	O
LB	O
)	O
is	O
a	O
commercial	O
computer	O
programming	O
language	O
and	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	B-Application
)	O
.	O
</s>
<s>
It	O
has	O
an	O
interpreter	O
,	O
developed	O
in	O
Smalltalk	B-Application
,	O
which	O
recognizes	O
its	O
own	O
dialect	O
of	O
the	O
BASIC	O
programming	O
language	O
.	O
</s>
<s>
It	O
runs	O
on	O
16	B-Device
-	I-Device
and	O
32-bit	B-Application
Windows	I-Application
and	O
OS/2	B-Application
.	O
</s>
<s>
Liberty	B-Language
BASIC	I-Language
was	O
written	O
by	O
Carl	O
"	O
Gunner	O
"	O
Gundel	O
and	O
published	O
in	O
its	O
first	O
release	O
by	O
his	O
company	O
,	O
Shoptalk	O
Systems	O
,	O
in	O
1991	O
.	O
</s>
<s>
Though	O
Liberty	B-Language
BASIC	I-Language
has	O
its	O
share	O
of	O
limitations	O
in	O
its	O
design	O
for	O
advanced	O
programming	O
,	O
it	O
provides	O
an	O
introductory	O
integrated	B-Application
development	I-Application
environment	I-Application
,	O
IDE	B-Application
,	O
for	O
moderate	O
to	O
advanced	O
users	O
of	O
Windows	B-Application
and	O
OS/2	B-Application
.	O
</s>
<s>
In	O
its	O
current	O
version	O
,	O
it	O
runs	O
only	O
on	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
under	O
Wine	B-Application
on	O
Linux	B-Application
.	O
</s>
<s>
Alpha	O
testing	O
of	O
Liberty	B-Language
BASIC	I-Language
v5.0	O
is	O
underway	O
with	O
versions	O
that	O
run	O
on	O
Microsoft	B-Application
Windows	I-Application
,	O
Mac	B-Application
OS	I-Application
X	I-Application
,	O
Linux	B-Application
and	O
on	O
the	O
Raspberry	O
Pi	O
as	O
well	O
.	O
</s>
<s>
Liberty	B-Language
BASIC	I-Language
does	O
not	O
compile	O
to	O
native	O
code	O
.	O
</s>
<s>
Instead	O
it	O
compiles	O
the	O
code	O
written	O
in	O
the	O
IDE	B-Application
to	O
an	O
encrypted	O
file	O
with	O
the	O
extension	O
TKN	O
.	O
</s>
<s>
Liberty	B-Language
BASIC	I-Language
allows	O
for	O
procedural	B-Application
programming	I-Application
in	O
a	O
style	O
similar	O
to	O
DOS	B-Device
BASICs	O
that	O
run	O
in	O
console	O
mode	O
,	O
using	O
a	O
default	O
"	O
main	O
window	O
"	O
that	O
displays	O
formatted	O
text	O
and	O
accepts	O
user	O
input	O
.	O
</s>
<s>
It	O
also	O
supports	O
event-driven	B-Application
programming	I-Application
based	O
on	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
,	O
using	O
several	O
types	O
of	O
windows	B-Application
that	O
may	O
contain	O
the	O
standard	O
controls	O
such	O
as	O
buttons	O
,	O
menus	O
,	O
textboxes	O
,	O
etc	O
.	O
</s>
<s>
A	O
central	O
idea	O
in	O
creating	O
Liberty	B-Language
BASIC	I-Language
was	O
to	O
model	O
the	O
handling	O
of	O
windows	B-Application
after	O
the	O
syntax	B-Application
for	O
file	O
handling	O
.	O
</s>
<s>
For	O
example	O
,	O
(	O
from	O
the	O
Liberty	B-Language
BASIC	I-Language
Help	O
File	O
)	O
:	O
</s>
<s>
In	O
the	O
more	O
recent	O
versions	O
of	O
LB	O
the	O
word	O
"	O
print	O
"	O
may	O
be	O
dropped	O
from	O
the	O
"	O
print	O
"	O
statement	O
,	O
making	O
the	O
syntax	B-Application
even	O
simpler	O
.	O
</s>
<s>
Simplicity	O
has	O
been	O
at	O
the	O
heart	O
of	O
Liberty	B-Language
BASIC	I-Language
from	O
the	O
beginning	O
.	O
</s>
<s>
For	O
the	O
purpose	O
of	O
making	O
calls	O
to	O
an	O
API	B-Application
or	O
third-party	O
DLLs	O
there	O
is	O
a	O
STRUCT	O
and	O
the	O
additional	O
types	O
necessary	O
for	O
the	O
DLL	O
.	O
</s>
<s>
FreeForm	O
,	O
a	O
GUI	B-Application
editor	O
for	O
creating	O
GUI	B-Application
formats	O
,	O
was	O
written	O
in	O
LB	O
.	O
</s>
<s>
The	O
GNU/Liberty	O
Basic	O
Compiler	O
Collection	O
(	O
GLBCC	O
)	O
,	O
by	O
Anthony	O
Liguori	O
,	O
is	O
a	O
set	O
of	O
tools	O
to	O
compile	O
Liberty	B-Language
Basic	I-Language
programs	O
,	O
runs	O
on	O
Windows	B-Application
and	O
Linux	B-Application
systems	O
,	O
but	O
the	O
project	O
has	O
not	O
been	O
updated	O
since	O
2001	O
.	O
</s>
<s>
In	O
2012	O
an	O
alternative	O
Windows	B-Application
implementation	O
of	O
Liberty	B-Language
BASIC	I-Language
,	O
LB	O
Booster	O
(	O
LBB	O
)	O
,	O
became	O
available	O
.	O
</s>
<s>
Although	O
substantially	O
compatible	O
with	O
the	O
Liberty	B-Language
BASIC	I-Language
4	O
language	O
syntax	B-Application
,	O
LBB	O
was	O
developed	O
entirely	O
independently	O
by	O
Richard	O
Russell	O
and	O
is	O
written	O
in	O
BBC	B-Language
BASIC	I-Language
.	O
</s>
