<s>
Areca	B-Language
Backup	I-Language
is	O
an	O
Open	B-License
Source	I-License
personal	O
file	O
backup	B-Application
software	I-Application
developed	O
in	O
Java	B-Language
.	O
</s>
<s>
It	O
is	O
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
2	O
.	O
</s>
<s>
Areca	B-Language
Backup	I-Language
includes	O
a	O
backup	B-Application
engine	O
,	O
as	O
well	O
as	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
and	O
a	O
command-line	B-Application
interface	I-Application
.	O
</s>
<s>
Standard	O
:	O
It	O
is	O
the	O
default	O
mode	O
,	O
which	O
is	O
recommended	O
for	O
most	O
users	O
:	O
If	O
you	O
choose	O
this	O
storage	O
mode	O
,	O
a	O
new	O
archive	O
will	O
be	O
created	O
for	O
each	O
backup	B-Application
.	O
</s>
<s>
All	O
new	O
or	O
modified	O
files	O
since	O
the	O
last	O
backup	B-Application
will	O
be	O
stored	O
in	O
this	O
archive	O
.	O
</s>
<s>
Delta	B-Algorithm
:	O
This	O
mode	O
is	O
recommended	O
for	O
advanced	O
users	O
only	O
:	O
If	O
you	O
choose	O
this	O
storage	O
mode	O
,	O
a	O
new	O
archive	O
will	O
be	O
created	O
for	O
each	O
backup	B-Application
.	O
</s>
<s>
All	O
modified	O
*	O
parts*	O
of	O
files	O
since	O
the	O
last	O
backup	B-Application
will	O
be	O
stored	O
in	O
this	O
archive	O
.	O
</s>
<s>
Image	O
:	O
If	O
you	O
choose	O
this	O
storage	O
mode	O
,	O
a	O
unique	O
archive	O
will	O
be	O
created	O
and	O
updated	O
at	O
each	O
backup	B-Application
.	O
</s>
<s>
Areca	O
can	O
handle	O
the	O
following	O
types	O
of	O
backups	B-Application
:	O
</s>
<s>
Full	O
Backup	B-Application
:	O
When	O
a	O
full	O
backup	B-Application
is	O
performed	O
,	O
ALL	O
files	O
are	O
stored	O
in	O
your	O
archive	O
(	O
whether	O
they	O
have	O
been	O
modified	O
or	O
not	O
)	O
.	O
</s>
<s>
Incremental	B-General_Concept
backup	I-General_Concept
:	O
When	O
an	O
incremental	B-General_Concept
backup	I-General_Concept
is	O
performed	O
,	O
only	O
the	O
files	O
which	O
have	O
been	O
modified	O
since	O
the	O
last	O
backup	B-Application
are	O
stored	O
in	O
your	O
archive	O
.	O
</s>
<s>
Differential	O
backup	B-Application
:	O
When	O
a	O
differential	O
backup	B-Application
is	O
performed	O
,	O
only	O
the	O
files	O
which	O
have	O
been	O
modified	O
since	O
the	O
last	O
FULL	O
backup	B-Application
are	O
stored	O
in	O
your	O
archive	O
.	O
</s>
<s>
Areca	O
is	O
downloadable	O
pre-packaged	O
for	O
Linux	B-Application
and	O
Windows	O
2000/Windows	O
XP	O
and	O
Windows	B-Application
Vista	I-Application
.	O
</s>
<s>
But	O
it	O
also	O
runs	O
on	O
any	O
other	O
operating	B-General_Concept
system	I-General_Concept
,	O
provided	O
that	O
a	O
Java	B-Language
Runtime	O
Environment	O
has	O
been	O
installed	O
(	O
version	O
1.4.2	O
or	O
later	O
)	O
.	O
</s>
<s>
Areca	B-Language
Backup	I-Language
does	O
not	O
have	O
a	O
built	O
in	O
method	O
of	O
handling	O
automated	O
backup	B-Application
creation	O
for	O
Windows-based	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
The	O
user	O
is	O
required	O
to	O
configure	O
a	O
backup	B-Application
strategy	O
using	O
an	O
included	O
Wizard	O
,	O
which	O
consequently	O
creates	O
a	O
collection	O
of	O
bat	O
files	O
required	O
to	O
be	O
manually	O
added	O
to	O
the	O
Windows	O
Task	O
Scheduler	O
.	O
</s>
