<s>
DirSync	B-Language
Pro	I-Language
is	O
an	O
open-source	B-Application
file	B-Application
synchronization	I-Application
and	O
backup	B-Protocol
utility	O
for	O
Windows	O
,	O
Linux	B-Application
and	O
macOS	B-Application
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
is	O
based	O
on	O
the	O
program	O
Directory	O
Synchronize	O
(	O
DirSync	O
)	O
,	O
which	O
was	O
first	O
released	O
in	O
February	O
2003	O
by	O
Elias	O
Gerber	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
was	O
released	O
by	O
O	O
.	O
Givi	O
in	O
July	O
2008	O
,	O
based	O
on	O
a	O
branch	O
of	O
the	O
DirSync	O
code	O
.	O
</s>
<s>
Many	O
parts	O
of	O
DirSync	B-Language
Pro	I-Language
have	O
gone	O
through	O
major	O
rewriting	O
and	O
redesign	O
ever	O
since	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
offers	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
from	O
which	O
the	O
user	O
can	O
manage	O
and	O
run	O
multiple	O
synchronization	O
tasks	O
.	O
</s>
<s>
As	O
of	O
version	O
1.31	O
,	O
it	O
supports	O
local	O
folder	O
to	O
folder	B-Application
synchronization	I-Application
,	O
but	O
does	O
not	O
support	O
synchronization	O
via	O
FTP	B-Protocol
yet	O
.	O
</s>
<s>
The	O
application	O
is	O
self-contained	O
within	O
its	O
own	O
directory	O
,	O
and	O
is	O
therefore	O
fully	O
portable	B-Application
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
makes	O
it	O
possible	O
to	O
compare	O
a	O
couple	O
of	O
directories	O
and	O
synchronize	O
their	O
content	O
.	O
</s>
<s>
It	O
can	O
be	O
used	O
to	O
create	O
incremental	O
backups	B-Protocol
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
detects	O
any	O
kind	O
of	O
changes	O
to	O
any	O
file/directory	O
in	O
the	O
source	O
(	O
e.g.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
provides	O
the	O
following	O
predefined	O
synchronization	O
modes	O
:	O
</s>
<s>
Backup	B-Protocol
A	O
->	O
B	O
(	O
full	O
)	O
:	O
This	O
mode	O
makes	O
a	O
full	O
copy	O
of	O
directory	O
A	O
into	O
directory	O
B	O
.	O
</s>
<s>
When	O
synchronizing	O
bi-directionally	O
,	O
DirSync	B-Language
Pro	I-Language
detects	O
synchronization	O
conflicts	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
offers	O
these	O
options	O
to	O
solve	O
the	O
bi-directional	O
synchronization	O
conflict	O
:	O
</s>
<s>
When	O
synchronizing	O
mono-directionally	O
in	O
a	O
custom	O
mode	O
,	O
DirSync	B-Language
Pro	I-Language
detects	O
synchronization	O
conflicts	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
offers	O
these	O
options	O
to	O
solve	O
the	O
mono-directional	O
synchronization	O
conflicts	O
:	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
lets	O
the	O
user	O
configure	O
unlimited	O
number	O
of	O
filters	O
to	O
include	O
or	O
exclude	O
files	O
and	O
directories	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
has	O
a	O
schedule	O
engine	O
with	O
many	O
options	O
to	O
schedule	O
synchronization	O
tasks	O
,	O
e.g.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
has	O
many	O
logging	O
facilities	O
to	O
create	O
detailed	O
logs	O
per	O
job	O
,	O
per	O
jobset	O
,	O
or	O
globally	O
.	O
</s>
<s>
DirSync	B-Language
Pro	I-Language
preserves	O
(	O
synchronizes	O
)	O
DOS	O
file	O
attributes	O
,	O
POSIX	O
file	O
permissions	O
and	O
ownerships	O
and	O
supports	O
symbolic	O
links	O
.	O
</s>
<s>
Linux.com	B-Application
rated	O
the	O
utility	O
positively	O
,	O
saying	O
that	O
"	O
it	O
makes	O
defining	O
a	O
bidirectional	O
sync	O
as	O
simple	O
as	O
picking	O
two	O
directories	O
"	O
.	O
</s>
