<s>
Plan	B-Application
9	I-Application
from	I-Application
User	I-Application
Space	I-Application
(	O
also	O
plan9port	B-Application
or	O
p9p	O
)	O
is	O
a	O
port	O
of	O
many	O
Plan	B-Operating_System
9	I-Operating_System
from	I-Operating_System
Bell	I-Operating_System
Labs	I-Operating_System
libraries	O
and	O
applications	O
to	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
Currently	O
it	O
has	O
been	O
tested	O
on	O
a	O
variety	O
of	O
operating	B-General_Concept
systems	I-General_Concept
including	O
:	O
Linux	B-Application
,	O
macOS	B-Application
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
OpenBSD	B-Operating_System
,	O
Solaris	B-Application
and	O
SunOS	B-Operating_System
.	O
</s>
<s>
The	O
project	O
's	O
name	O
is	O
a	O
reference	O
to	O
the	O
1950s	O
Ed	O
Wood	O
film	O
Plan	B-Application
9	I-Application
from	I-Application
Outer	I-Application
Space	I-Application
.	O
</s>
<s>
A	O
number	O
of	O
key	O
applications	O
have	O
been	O
ported	O
,	O
as	O
have	O
programs	O
used	O
by	O
the	O
system	O
itself	O
,	O
along	O
with	O
the	O
requisite	O
libraries	O
from	O
Plan	B-Operating_System
9	I-Operating_System
.	O
</s>
<s>
All	O
of	O
these	O
have	O
been	O
made	O
to	O
work	O
on	O
top	O
of	O
a	O
Unix-like	B-Operating_System
environment	O
instead	O
of	O
their	O
native	O
Plan	B-Operating_System
9	I-Operating_System
.	O
</s>
<s>
rc	B-Operating_System
–	O
The	O
Plan	B-Operating_System
9	I-Operating_System
shell	B-Operating_System
.	O
</s>
<s>
sam	B-Application
–	O
A	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
acme	B-Application
–	O
A	O
combination	O
text	B-Application
editor	I-Application
and	O
graphical	O
shell	B-Operating_System
especially	O
useful	O
to	O
programmers	O
.	O
</s>
<s>
mk	O
–	O
A	O
tool	O
for	O
building	O
software	O
,	O
analogous	O
to	O
the	O
traditional	O
Unix	O
make	B-Application
utility	O
.	O
</s>
<s>
plumber	B-Application
–	O
An	O
interprocess	O
messaging	O
facility	O
.	O
</s>
<s>
Venti	B-Application
–	O
A	O
network	O
storage	O
system	O
that	O
permanently	O
stores	O
data	O
blocks	O
.	O
</s>
