<s>
Phoenix	B-Application
Object	I-Application
Basic	I-Application
(	O
formerly	O
known	O
as	O
Envelop	O
)	O
is	O
an	O
object-oriented	B-Language
rapid	O
application	O
development	O
tool	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Linux	B-Application
.	O
</s>
<s>
It	O
has	O
object-oriented	B-Language
features	O
such	O
as	O
inheritance	O
and	O
polymorphism	B-Application
as	O
found	O
in	O
languages	B-Language
such	O
as	O
Python	B-Language
and	O
Perl	B-Language
.	O
</s>
<s>
It	O
also	O
features	O
a	O
similar	O
design	O
environment	O
and	O
compatible	O
syntax	O
to	O
Visual	B-Language
Basic	I-Language
reducing	O
the	O
learning	O
curve	O
for	O
those	O
making	O
a	O
transition	O
from	O
that	O
language	O
to	O
Linux	B-Application
programming	O
.	O
</s>
<s>
Phoenix	O
includes	O
a	O
full	O
implementation	O
of	O
the	O
BASIC	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
It	O
was	O
released	O
for	O
download	O
in	O
2001	O
and	O
the	O
Linux	B-Application
package	O
is	O
at	O
version	O
1.5	O
beta	O
6	O
(	O
released	O
October	O
2004	O
)	O
,	O
it	O
also	O
requires	O
the	O
distribution	O
of	O
a	O
small	O
number	O
of	O
runtime	O
library	O
files	O
with	O
complied	O
applications	O
.	O
</s>
<s>
Phoenix	B-Application
Object	I-Application
Basic	I-Application
is	O
a	O
proprietary	B-Application
tool	O
for	O
cross-platform	O
Linux	B-Application
and	O
Windows	O
application	O
development	O
.	O
</s>
<s>
The	O
Phoenix	O
source	O
code	O
is	O
not	O
available	O
because	O
it	O
contains	O
proprietary	B-Application
third	O
party	O
components	O
.	O
</s>
