<s>
tmux	B-Language
is	O
an	O
open-source	B-License
terminal	B-General_Concept
multiplexer	O
for	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
It	O
allows	O
multiple	O
terminal	B-General_Concept
sessions	O
to	O
be	O
accessed	O
simultaneously	O
in	O
a	O
single	O
window	O
.	O
</s>
<s>
It	O
is	O
useful	O
for	O
running	O
more	O
than	O
one	O
command-line	B-Application
program	I-Application
at	O
the	O
same	O
time	O
.	O
</s>
<s>
It	O
can	O
also	O
be	O
used	O
to	O
detach	O
processes	B-Operating_System
from	O
their	O
controlling	O
terminals	O
,	O
allowing	O
remote	O
sessions	O
to	O
remain	O
active	O
without	O
being	O
visible	O
.	O
</s>
<s>
tmux	B-Language
includes	O
most	O
features	O
of	O
GNU	B-Application
Screen	I-Application
.	O
</s>
<s>
It	O
allows	O
users	O
to	O
start	O
a	O
terminal	B-General_Concept
session	O
with	O
clients	O
that	O
are	O
not	O
bound	O
to	O
a	O
specific	O
physical	O
or	O
virtual	O
console	O
;	O
multiple	O
terminal	B-General_Concept
sessions	O
can	O
be	O
created	O
within	O
a	O
single	O
terminal	B-General_Concept
session	O
and	O
then	O
freely	O
rebound	O
from	O
one	O
virtual	O
console	O
to	O
another	O
,	O
and	O
each	O
session	O
can	O
have	O
several	O
connected	O
clients	O
.	O
</s>
<s>
Some	O
notable	O
tmux	B-Language
features	O
are	O
:	O
</s>
<s>
Lack	O
of	O
built-in	O
serial	O
and	O
telnet	B-Protocol
clients	O
.	O
</s>
<s>
tmux	B-Language
is	O
included	O
in	O
the	O
OpenBSD	B-Operating_System
base	O
system	O
,	O
and	O
is	O
available	O
as	O
a	O
package	B-Application
for	O
many	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
