<s>
Pico	B-Operating_System
(	O
Pine	B-Operating_System
composer	O
)	O
is	O
a	O
text	B-Application
editor	I-Application
for	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
computer	O
systems	O
.	O
</s>
<s>
It	O
is	O
integrated	O
with	O
the	O
Pine	B-Operating_System
and	O
Alpine	B-Language
email	B-Protocol
clients	I-Protocol
,	O
which	O
were	O
initially	O
designed	O
by	O
the	O
Office	O
of	O
Computing	O
and	O
Communications	O
at	O
the	O
University	O
of	O
Washington	O
.	O
</s>
<s>
From	O
the	O
Pine	B-Operating_System
FAQ	O
:	O
"	O
Pine	B-Operating_System
's	O
message	O
composition	O
editor	O
is	O
also	O
available	O
as	O
a	O
separate	O
stand-alone	O
program	O
,	O
called	O
PICO	B-Operating_System
.	O
</s>
<s>
PICO	B-Operating_System
is	O
a	O
very	O
simple	O
and	O
easy-to-use	O
text	B-Application
editor	I-Application
offering	O
paragraph	O
justification	O
,	O
cut/paste	O
,	O
and	O
a	O
spelling	O
checker	O
...	O
"	O
.	O
</s>
<s>
Pico	B-Operating_System
does	O
not	O
support	O
working	O
with	O
several	O
files	O
simultaneously	O
and	O
cannot	O
perform	O
a	O
find	O
and	O
replace	O
across	O
multiple	O
files	O
.	O
</s>
<s>
Pico	B-Operating_System
does	O
support	O
search	O
and	O
replace	O
operations	O
.	O
</s>
<s>
By	O
comparison	O
,	O
some	O
popular	O
Unix	B-Application
text	B-Application
editors	I-Application
such	O
as	O
vi	B-Application
and	O
Emacs	B-Application
provide	O
a	O
wider	O
range	O
of	O
features	O
than	O
Pico	B-Operating_System
;	O
including	O
regular	B-Language
expression	I-Language
search	O
and	O
replace	O
,	O
and	O
working	O
with	O
multiple	O
files	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
By	O
comparison	O
,	O
Pico	B-Operating_System
's	O
simplicity	O
makes	O
it	O
suitable	O
for	O
beginners	O
.	O
</s>
<s>
A	O
clone	O
of	O
Pico	B-Operating_System
called	O
nano	B-Application
,	O
which	O
is	O
part	O
of	O
the	B-Application
GNU	I-Application
Project	I-Application
,	O
was	O
developed	O
because	O
Pico	B-Operating_System
's	O
earlier	O
license	B-License
had	O
unclear	O
redistribution	O
terms	O
.	O
</s>
<s>
Newer	O
versions	O
of	O
Pico	B-Operating_System
as	O
part	O
of	O
Alpine	B-Language
are	O
released	O
under	O
the	O
Apache	B-Application
License	I-Application
version	O
2.0	O
.	O
</s>
<s>
Pico	B-Operating_System
features	O
a	O
number	O
of	O
commands	O
for	O
editing	O
.	O
</s>
<s>
The	O
following	O
command	O
line	O
options	O
allow	O
users	O
to	O
configure	O
Pico	B-Operating_System
before	O
editing	O
a	O
file	O
.	O
</s>
<s>
This	O
information	O
can	O
be	O
obtained	O
by	O
starting	O
Pico	B-Operating_System
with	O
the	O
-h	O
command	O
.	O
</s>
<s>
When	O
Pico	B-Operating_System
is	O
invoked	O
from	O
Pine	B-Operating_System
or	O
Alpine	B-Language
some	O
of	O
the	O
options	O
below	O
can	O
be	O
configured	O
from	O
their	O
Setup	O
Configuration	O
Screen	O
by	O
either	O
enabling	O
a	O
specific	O
feature	O
,	O
or	O
configuring	O
a	O
variable	O
.	O
</s>
<s>
Below	O
is	O
indicated	O
the	O
way	O
to	O
configure	O
Pico	B-Operating_System
from	O
the	O
command	O
line	O
,	O
as	O
well	O
as	O
how	O
to	O
configure	O
it	O
from	O
Alpine	B-Language
.	O
</s>
<s>
Possible	O
starting	O
arguments	O
for	O
the	O
Pico	B-Operating_System
editor	O
are	O
:	O
</s>
<s>
Command	O
Line	O
Argument	O
Meaning	O
Alpine	B-Language
Configuration	O
Option	O
-e	O
Complete	O
-	O
allow	O
file	O
name	O
completion	O
 [ X ] 	O
Enable	O
Tab	O
Completion	O
(	O
enabled	O
by	O
default	O
)	O
-k	O
Cut	O
-	O
let	O
^K	O
cut	O
from	O
cursor	O
position	O
to	O
end	O
of	O
line	O
 [ X ] 	O
Ctrl-K	O
Cuts	O
From	O
Cursor	O
-a	O
ShowDot	O
-	O
show	O
dot	O
files	O
in	O
file	O
browser	O
 [ X ] 	O
Enable	O
Dot	O
Files	O
-j	O
Goto	O
-	O
allow	O
'	O
Goto	O
 '	O
command	O
in	O
file	O
browser	O
 [ X ] 	O
Enable	O
Goto	O
in	O
File	O
Browser	O
(	O
enabled	O
by	O
default	O
)	O
-g	O
Show	O
-	O
show	O
cursor	O
in	O
file	O
browser	O
 [ X ] 	O
Show	O
Cursor	O
-m	O
Mouse	O
-	O
turn	O
on	O
mouse	O
support	O
 [ X ] 	O
Enable	O
Mouse	O
in	O
Xterm	O
-x	O
NoKeyhelp	O
-	O
suppress	O
keyhelp	O
 [ X ] 	O
Disable	O
Keymenu	O
-p	O
PreserveStartStop	O
-	O
preserve	O
"	O
start	O
"	O
( ^Q	O
)	O
and	O
"	O
stop	O
"	O
( ^S	O
)	O
characters	O
 [ X ] 	O
Preserve	O
Start/Stop	O
Characters	O
-q	O
TermdefWins	O
-	O
termcap	O
or	O
terminfo	O
takes	O
precedence	O
over	O
defaults	O
 [ X ] 	O
Termdef	O
Takes	O
Precedence	O
-Q	O
<quotestr>	O
Set	O
quote	O
string	O
(	O
e.g.	O
</s>
<s>
The	O
options	O
,	O
and	O
are	O
not	O
available	O
in	O
the	O
Windows	O
version	O
of	O
Pico	B-Operating_System
.	O
</s>
<s>
However	O
,	O
the	O
Windows	O
version	O
of	O
Pico	B-Operating_System
also	O
has	O
four	O
options	O
(	O
,	O
,	O
,	O
)	O
that	O
are	O
not	O
available	O
in	O
unix	B-Application
versions	O
of	O
Pico	B-Operating_System
;	O
each	O
option	O
is	O
defined	O
as	O
follows	O
:	O
for	O
Color	O
for	O
Normal	O
Foreground	O
,	O
for	O
Color	O
for	O
Normal	O
Background	O
,	O
for	O
Color	O
for	O
Reverse	O
Foreground	O
and	O
for	O
Color	O
for	O
Reverse	O
Background	O
.	O
</s>
