<s>
Demos	B-Application
Commander	I-Application
(	O
deco	O
)	O
is	O
an	O
orthodox	O
file	B-Application
manager	I-Application
for	O
Unix-like	B-Operating_System
systems	I-Operating_System
and	O
a	O
clone	B-General_Concept
of	O
Norton	B-Application
Commander	I-Application
.	O
</s>
<s>
The	O
project	O
started	O
by	O
Sergey	O
Vakulenko	O
in	O
1989	O
while	O
working	O
at	O
the	O
DEMOS	O
ISP	O
(	O
thus	O
the	O
name	O
Demos	B-Application
Commander	I-Application
:	O
deco	O
)	O
and	O
is	O
considered	O
one	O
of	O
the	O
first	O
orthodox	O
file	B-Application
managers	I-Application
for	O
the	O
Unix-like	B-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
Demos	B-Application
Commander	I-Application
is	O
a	O
text-mode	B-Application
application	I-Application
.	O
</s>
<s>
It	O
is	O
used	O
in	O
a	O
similar	O
way	O
to	O
many	O
other	O
programs	O
run	O
in	O
the	O
Unix	B-Application
shell	I-Application
.	O
</s>
<s>
Arrow	O
keys	O
control	O
file	O
selection	O
,	O
the	O
insert	O
key	O
is	O
used	O
to	O
select	O
files	O
(	O
but	O
not	O
directories	O
)	O
,	O
and	O
the	O
function	B-Application
keys	I-Application
perform	O
operations	O
such	O
as	O
renaming	O
,	O
editing	O
and	O
copying	O
files	O
.	O
</s>
<s>
Unlike	O
many	O
full-screen	O
programs	O
that	O
run	O
in	O
console	O
,	O
Demos	B-Application
Commander	I-Application
is	O
not	O
capable	O
of	O
resizing	O
itself	O
when	O
the	O
console	O
changes	O
resolution	O
(	O
for	O
example	O
,	O
when	O
an	O
xterm	B-Language
window	O
is	O
resized	O
)	O
nor	O
able	O
to	O
support	O
any	O
other	O
console	O
resolution	O
than	O
80×24	O
.	O
</s>
<s>
While	O
lacking	O
features	O
found	O
in	O
more	O
elaborate	O
OFM	O
programs	O
,	O
Demos	B-Application
Commander	I-Application
is	O
suited	O
for	O
rescue-disk	O
setups	O
and	O
for	O
very	O
limited	O
systems	O
(	O
such	O
as	O
486-based	O
systems	O
)	O
because	O
of	O
its	O
small	O
memory	O
footprint	O
(	O
less	O
than	O
1MiB	O
)	O
,	O
small	O
binary	O
size	O
(	O
a	O
few	O
hundred	O
KiB	O
)	O
and	O
close	O
to	O
zero	O
dependencies	O
(	O
only	O
ncurses	B-Language
is	O
required	O
)	O
.	O
</s>
<s>
Demos	B-Application
Commander	I-Application
appears	O
to	O
no	O
longer	O
be	O
under	O
active	O
development	O
,	O
with	O
the	O
last	O
version	O
released	O
in	O
2001	O
in	O
source	O
code	O
form	O
and	O
a	O
User	O
's	O
Manual	O
for	O
version	O
3.2.2	O
in	O
1993	O
.	O
</s>
