<s>
FreeArc	B-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
high-performance	O
file	B-Application
archiver	I-Application
developed	O
by	O
Bulat	O
Ziganshin	O
.	O
</s>
<s>
A	O
"	O
FreeArc	B-Application
Next	O
"	O
version	O
is	O
under	O
development	O
,	O
with	O
version	O
FA	O
0.11	O
released	O
in	O
October	O
2016	O
.	O
</s>
<s>
The	O
"	O
Next	O
"	O
version	O
supports	O
32	O
-	O
and	O
64-bit	B-Device
Windows	O
and	O
Linux	B-Application
and	O
includes	O
Zstandard	B-Language
support	O
.	O
</s>
<s>
FreeArc	B-Application
uses	O
LZMA	B-General_Concept
,	O
prediction	B-Algorithm
by	I-Algorithm
partial	I-Algorithm
matching	I-Algorithm
,	O
TrueAudio	B-Algorithm
,	O
Tornado	O
and	O
GRzip	O
algorithms	O
with	O
automatic	O
switching	O
by	O
file	O
type	O
.	O
</s>
<s>
Additionally	O
,	O
it	O
uses	O
filters	O
to	O
further	O
improve	O
compression	O
,	O
including	O
REP	O
(	O
finds	O
repetitions	O
at	O
separations	O
up	O
to	O
1gb	O
)	O
,	O
DICT	O
(	O
dictionary	O
replacements	O
for	O
text	O
)	O
,	O
DELTA	B-Application
(	O
improves	O
compression	O
of	O
tables	O
in	O
binary	O
data	O
)	O
,	O
BCJ	O
(	O
executables	O
preproccesor	O
)	O
and	O
LZP	O
(	O
removes	O
repetitions	O
in	O
text	O
)	O
.	O
</s>
<s>
In	O
2010	O
Tom	O
's	O
Hardware	O
benchmarks	O
comparing	O
it	O
to	O
the	O
other	O
popular	O
archivers	O
,	O
FreeArc	B-Application
narrowly	O
outperformed	O
WinZip	B-Application
,	O
7-Zip	B-Language
,	O
and	O
WinRAR	B-Application
in	O
its	O
"	O
best	O
compression	O
"	O
mode	O
.	O
</s>
<s>
In	O
the	O
"	O
default	O
compression	O
"	O
tests	O
,	O
it	O
lost	O
to	O
7-Zip	B-Language
'	O
s	O
LZMA2	O
,	O
but	O
still	O
compressed	O
better	O
than	O
WinRAR	B-Application
and	O
WinZip	B-Application
.	O
</s>
<s>
In	O
the	O
same	O
Tom	O
's	O
Hardware	O
tests	O
,	O
FreeArc	B-Application
was	O
outpaced	O
at	O
default	O
settings	O
by	O
7zip	B-Language
's	O
LZMA2	O
default	O
compression	O
,	O
and	O
also	O
by	O
WinRAR	B-Application
,	O
even	O
at	O
its	O
best	O
compression	O
settings	O
.	O
</s>
<s>
FreeArc	B-Application
's	O
compression	O
at	O
its	O
best	O
settings	O
was	O
slower	O
than	O
both	O
7zip	B-Language
and	O
WinRAR	B-Application
,	O
but	O
still	O
came	O
ahead	O
of	O
WinZip	B-Application
.	O
</s>
<s>
In	O
a	O
metric	O
devised	O
by	O
Werner	O
Bergmans	O
of	O
Maximum	O
Compression	O
Benchmark	O
,	O
FreeArc	B-Application
compression	O
is	O
more	O
efficient	O
than	O
programs	O
for	O
classic	O
formats	O
like	O
.Z	B-Device
(	O
LZW	B-Algorithm
)	O
,	O
.zip	B-General_Concept
(	O
Deflate	B-Algorithm
)	O
,	O
.gz	B-Application
or	O
bzip2	B-Application
.	O
</s>
<s>
As	O
of	O
November	O
2010	O
,	O
FreeArc	B-Application
is	O
the	O
top	O
program	O
in	O
this	O
benchmark	O
,	O
followed	O
by	O
NanoZip	O
,	O
bsc	O
and	O
WinRAR	B-Application
.	O
</s>
<s>
It	O
works	O
faster	O
than	O
WinRAR	B-Application
and	O
7zip	B-Language
.	O
</s>
<s>
Like	O
RAR	O
and	O
ZIP	B-General_Concept
it	O
is	O
an	O
archiver	O
,	O
not	O
just	O
a	O
data	O
compressor	O
like	O
gzip	B-Application
or	O
bzip2	B-Application
.	O
</s>
<s>
Initially	O
it	O
supported	O
only	O
its	O
own	O
archive	O
format	O
,	O
normally	O
identified	O
by	O
the	O
.arc	B-Application
file	O
name	O
extension	O
,	O
incompatible	O
with	O
others	O
;	O
there	O
is	O
no	O
relationship	O
with	O
other	O
.arc	B-Application
formats	O
.	O
</s>
<s>
More	O
recently	O
,	O
decompression	O
support	O
for	O
other	O
archive	O
types	O
was	O
added	O
,	O
including	O
zip	B-General_Concept
,	O
rar	O
,	O
and	O
7z	O
.	O
</s>
<s>
FreeArc	B-Application
has	O
both	O
a	O
command	B-Application
line	I-Application
interface	I-Application
and	O
a	O
GUI	B-Application
.	O
</s>
<s>
Archive	O
protection	O
and	O
recovery	O
layer	O
using	O
Reed	B-Error_Name
–	I-Error_Name
Solomon	I-Error_Name
error	I-Error_Name
correction	I-Error_Name
with	O
user-defined	O
size	O
(	O
for	O
example	O
,	O
recovery	O
over	O
Internet	O
being	O
0.1	O
%	O
,	O
while	O
default	O
is	O
autosize	O
1-4	O
%	O
)	O
.	O
</s>
<s>
There	O
is	O
no	O
64-bit	B-Device
variant	O
of	O
version	O
0.666	O
,	O
but	O
FA	O
0.11	O
supported	O
both	O
32	O
-	O
and	O
64-bit	B-Device
systems	O
.	O
</s>
<s>
In	O
October	O
2016	O
the	O
first	O
public	O
release	O
of	O
FreeArc	B-Application
Next	O
was	O
released	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
only	O
as	O
a	O
CLI	B-Application
application	I-Application
for	O
32	O
and	O
64	B-Device
bit	I-Device
Windows	O
and	O
Linux	B-Application
platforms	O
.	O
</s>
