<s>
ncdu	B-Device
(	O
NCurses	B-Language
Disk	B-Application
Usage	I-Application
)	O
is	O
a	O
disk	B-Application
utility	I-Application
for	O
Unix	B-Application
systems	I-Application
.	O
</s>
<s>
Its	O
name	O
refers	O
to	O
its	O
similar	O
purpose	O
to	O
the	O
du	B-Application
utility	O
,	O
but	O
ncdu	B-Device
uses	O
a	O
text-based	B-Application
user	I-Application
interface	I-Application
under	O
the	O
[n]curses	O
programming	O
library	O
.	O
</s>
<s>
Version	O
1.09	O
and	O
later	O
can	O
export	O
the	O
file	O
listing	O
in	O
JSON	B-General_Concept
format	O
.	O
</s>
<s>
ncdu	B-Device
was	O
developed	O
by	O
Yoran	O
Heling	O
to	O
learn	O
C	B-Language
and	O
to	O
serve	O
as	O
a	O
disk	B-Application
usage	I-Application
analyzer	O
on	O
remote	O
systems	O
over	O
ssh	B-Protocol
.	O
</s>
<s>
Version	O
2.0	O
of	O
the	O
program	O
brought	O
a	O
full	O
rewrite	O
in	O
the	O
Zig	B-Application
programming	I-Application
language	I-Application
.	O
</s>
