<s>
GNU	B-Application
nano	I-Application
is	O
a	O
text	B-Application
editor	I-Application
for	O
Unix-like	B-Operating_System
computing	O
systems	O
or	O
operating	O
environments	O
using	O
a	O
command	B-Application
line	I-Application
interface	I-Application
.	O
</s>
<s>
It	O
emulates	O
the	O
Pico	B-Operating_System
text	I-Operating_System
editor	I-Operating_System
,	O
part	O
of	O
the	O
Pine	B-Operating_System
email	I-Operating_System
client	I-Operating_System
,	O
and	O
also	O
provides	O
additional	O
functionality	O
.	O
</s>
<s>
Unlike	O
Pico	B-Operating_System
,	O
nano	B-Application
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
<s>
Released	O
as	O
free	B-Application
software	I-Application
by	O
Chris	O
Allegretta	O
in	O
1999	O
,	O
nano	B-Application
became	O
part	O
of	O
the	B-Application
GNU	I-Application
Project	I-Application
in	O
2001	O
.	O
</s>
<s>
GNU	B-Application
nano	I-Application
was	O
first	O
created	O
in	O
1999	O
with	O
the	O
name	O
TIP	B-Protocol
(	O
a	O
recursive	O
acronym	O
for	O
TIP	B-Protocol
Is	O
n't	O
Pico	B-Operating_System
)	O
,	O
by	O
Chris	O
Allegretta	O
.	O
</s>
<s>
His	O
motivation	O
was	O
to	O
create	O
a	O
free	B-Application
software	I-Application
replacement	O
for	O
Pico	B-Operating_System
,	O
which	O
was	O
not	O
distributed	O
under	O
a	O
free	B-License
software	I-License
license	I-License
.	O
</s>
<s>
The	O
name	O
was	O
changed	O
to	O
nano	B-Application
on	O
January	O
10	O
,	O
2000	O
,	O
to	O
avoid	O
a	O
naming	O
conflict	O
with	O
the	O
existing	O
Unix	B-Application
utility	I-Application
tip	B-Protocol
.	O
</s>
<s>
The	O
name	O
comes	O
from	O
the	O
system	O
of	O
SI	O
prefixes	O
,	O
in	O
which	O
nano	B-Application
is	O
1000	O
times	O
larger	O
than	O
pico	B-Operating_System
.	O
</s>
<s>
In	O
February	O
2001	O
,	O
nano	B-Application
became	O
a	O
part	O
of	O
the	B-Application
GNU	I-Application
Project	I-Application
.	O
</s>
<s>
GNU	B-Application
nano	I-Application
implements	O
several	O
features	O
that	O
Pico	B-Operating_System
lacks	O
,	O
including	O
syntax	O
highlighting	O
,	O
line	O
numbers	O
,	O
regular	B-Language
expression	I-Language
search	O
and	O
replace	O
,	O
line-by-line	O
scrolling	O
,	O
multiple	O
buffers	O
,	O
indenting	O
groups	O
of	O
lines	O
,	O
rebindable	O
key	O
support	O
,	O
and	O
the	O
undoing	O
and	O
redoing	O
of	O
edit	O
changes	O
.	O
</s>
<s>
On	O
11	O
August	O
2003	O
,	O
Chris	O
Allegretta	O
officially	O
handed	O
the	O
source	O
code	O
maintenance	O
of	O
nano	B-Application
to	O
David	O
Lawrence	O
Ramsey	O
.	O
</s>
<s>
On	O
20	O
December	O
2007	O
,	O
with	O
the	O
release	O
of	O
2.0.7	O
,	O
Ramsey	O
stepped	O
down	O
as	O
nano	B-Application
's	O
maintainer	O
.	O
</s>
<s>
The	O
license	O
was	O
also	O
upgraded	O
to	O
GPL-3.0-or-later	B-License
.	O
</s>
<s>
On	O
version	O
2.6.0	O
in	O
June	O
2016	O
,	O
the	O
current	O
principal	O
developer	O
and	O
the	O
other	O
active	O
members	O
of	O
the	O
nano	B-Application
project	O
decided	O
in	O
consensus	O
to	O
leave	O
the	B-Application
GNU	I-Application
Project	I-Application
,	O
because	O
of	O
their	O
objections	O
over	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
's	O
copyright	O
assignment	O
policy	O
,	O
and	O
their	O
belief	O
that	O
decentralized	O
copyright	O
ownership	O
does	O
not	O
impede	O
the	O
ability	O
to	O
enforce	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
The	O
step	O
was	O
acknowledged	O
by	O
Debian	O
and	O
Arch	O
Linux	O
,	O
while	O
the	B-Application
GNU	I-Application
Project	I-Application
resisted	O
the	O
move	O
and	O
called	O
it	O
a	O
"	O
fork	B-Application
"	O
.	O
</s>
<s>
On	O
19	O
August	O
2016	O
,	O
Chris	O
Allegretta	O
announced	O
the	O
return	O
of	O
the	O
project	O
to	O
the	O
GNU	B-Operating_System
family	O
,	O
following	O
concessions	O
from	O
GNU	B-Operating_System
on	O
copyright	O
assignment	O
for	O
Nano	B-Application
specifically	O
,	O
which	O
happened	O
when	O
version	O
2.7.0	O
was	O
released	O
in	O
September	O
2016	O
.	O
</s>
<s>
GNU	B-Application
nano	I-Application
,	O
like	O
Pico	B-Operating_System
,	O
is	O
keyboard-oriented	O
,	O
controlled	O
with	O
control	B-Device
keys	I-Device
.	O
</s>
<s>
GNU	B-Application
nano	I-Application
puts	O
a	O
two-line	O
"	O
shortcut	O
bar	O
"	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
,	O
listing	O
many	O
of	O
the	O
commands	O
available	O
in	O
the	O
current	O
context	O
.	O
</s>
<s>
Unlike	O
Pico	B-Operating_System
,	O
nano	B-Application
uses	O
meta	B-Device
keys	I-Device
to	O
toggle	O
its	O
behavior	O
.	O
</s>
<s>
Almost	O
all	O
features	O
that	O
can	O
be	O
selected	O
from	O
the	O
command	B-Application
line	I-Application
can	O
be	O
dynamically	O
toggled	O
.	O
</s>
<s>
On	O
keyboards	B-Device
without	O
the	O
meta	B-Device
key	I-Device
it	O
is	O
often	O
mapped	O
to	O
the	O
escape	O
key	O
,	O
,	O
such	O
that	O
in	O
order	O
to	O
simulate	O
,	O
say	O
,	O
one	O
has	O
to	O
press	O
the	O
key	O
,	O
then	O
release	O
it	O
,	O
and	O
then	O
press	O
the	O
key	O
.	O
</s>
<s>
GNU	B-Application
nano	I-Application
can	O
also	O
use	O
pointing	O
devices	O
,	O
such	O
as	O
a	O
mouse	B-Device
,	O
to	O
activate	O
functions	O
that	O
are	O
on	O
the	O
shortcut	O
bar	O
,	O
as	O
well	O
as	O
position	O
the	O
cursor	O
.	O
</s>
