<s>
Byobu	B-Application
is	O
an	O
enhancement	O
for	O
the	O
GNU	B-Application
Screen	I-Application
terminal	O
multiplexer	O
or	O
tmux	B-Language
used	O
with	O
the	O
Linux	B-Application
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
that	O
can	O
be	O
used	O
to	O
provide	O
on-screen	O
notification	O
or	O
status	O
,	O
and	O
tabbed	O
multi-window	O
management	O
.	O
</s>
<s>
Version	O
1.0	O
,	O
under	O
the	O
name	O
Screen	O
Profiles	O
,	O
came	O
out	O
of	O
discussions	O
at	O
the	O
2008	O
Ubuntu	B-Operating_System
Developer	O
Summit	O
about	O
how	O
to	O
simplify	O
the	O
on	O
screen	O
notification	O
of	O
an	O
administrator	O
connected	O
to	O
a	O
server	O
.	O
</s>
<s>
The	O
project	O
was	O
renamed	O
to	O
Byobu	B-Application
for	O
its	O
2.0	O
release	O
,	O
from	O
the	O
Japanese	O
byōbu	O
folding	O
screen	O
.	O
</s>
<s>
Byobu	B-Application
3.0	O
reworked	O
the	O
build	O
system	O
to	O
use	O
automake	B-Application
and	O
allow	O
for	O
porting	O
to	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
Byobu	B-Application
4.0	O
introduced	O
screen	O
splitting	O
,	O
reworked	O
the	O
status	O
notification	O
system	O
,	O
and	O
added	O
support	O
for	O
tmux	B-Language
profiles	O
.	O
</s>
<s>
The	O
most	O
significant	O
change	O
that	O
Byobu	B-Application
5.0	O
introduces	O
is	O
a	O
shift	O
from	O
GNU	B-Application
Screen	I-Application
to	O
tmux	B-Language
as	O
the	O
default	O
backend	O
.	O
</s>
<s>
Originally	O
written	O
for	O
Ubuntu	B-Operating_System
,	O
it	O
has	O
since	O
been	O
ported	O
to	O
multiple	O
other	O
Linux	B-Application
distributions	I-Application
and	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
