<s>
SWAD	B-Language
(	O
originally	O
stood	O
for	O
"	O
Sistema	O
Web	O
de	O
Apoyo	O
a	O
la	O
Docencia	O
"	O
in	O
Spanish	O
or	O
"	O
Web	O
System	O
for	O
Education	O
Support	O
"	O
,	O
currently	O
stands	O
for	O
"	O
Shared	O
Workspace	O
At	O
a	O
Distance	O
"	O
)	O
is	O
a	O
web	B-Application
application	I-Application
to	O
manage	O
the	O
courses	O
,	O
students	O
and	O
teachers	O
of	O
one	O
or	O
more	O
educational	O
institutions	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
SWAD	B-Language
appeared	O
in	O
September	O
1999	O
.	O
</s>
<s>
SWAD	B-Language
is	O
currently	O
available	O
in	O
9	O
languages	O
and	O
used	O
in	O
the	O
University	O
of	O
Granada	O
and	O
the	O
portal	O
OpenSWAD.org	O
.	O
</s>
<s>
In	O
November	O
2019	O
SWAD	B-Language
installation	O
at	O
the	O
University	O
of	O
Granada	O
housed	O
488	O
degrees	O
(	O
including	O
undergraduate	O
and	O
graduate	O
)	O
with	O
7496	O
courses	O
,	O
126,060	O
students	O
and	O
3514	O
teachers	O
.	O
</s>
<s>
The	O
objectives	O
addressed	O
in	O
the	O
development	O
of	O
the	O
platform	O
SWAD	B-Language
can	O
be	O
specified	O
depending	O
on	O
its	O
potential	O
beneficiaries	O
:	O
</s>
<s>
For	O
the	O
institution	O
or	O
company	O
,	O
SWAD	B-Language
has	O
the	O
additional	O
advantage	O
of	O
being	O
fast	O
and	O
efficient	O
,	O
consuming	O
very	O
little	O
computer	O
resources	O
,	O
so	O
being	O
suitable	O
for	O
low-cost	O
installations	O
.	O
</s>
<s>
Compared	O
to	O
other	O
tools	O
used	O
for	O
the	O
same	O
purpose	O
,	O
since	O
its	O
implementation	O
in	O
C	B-Language
language	I-Language
,	O
SWAD	B-Language
does	O
not	O
require	O
a	O
big	O
hardware	O
and	O
software	O
infrastructure	O
,	O
even	O
in	O
large	O
universities	O
,	O
being	O
sufficient	O
a	O
single	O
server	O
.	O
</s>
<s>
SWAD	B-Language
core	O
is	O
a	O
CGI	B-Language
programmed	O
in	O
C	B-Language
comprising	O
almost	O
all	O
the	O
functionality	O
of	O
the	O
platform	O
.	O
</s>
<s>
The	O
core	O
is	O
supplemented	O
with	O
some	O
external	O
programs	O
like	O
photo	O
processing	O
module	O
and	O
chat	B-Protocol
module	O
.	O
</s>
<s>
The	O
server	O
runs	O
on	O
a	O
Linux	B-Application
system	O
with	O
Apache	B-Application
and	O
a	O
MySQL	B-Application
or	O
MariaDB	B-Application
database	O
.	O
</s>
<s>
Being	O
a	O
web	B-Application
application	I-Application
,	O
the	O
client	B-Protocol
can	O
be	O
any	O
modern	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
To	O
use	O
the	O
chat	B-Protocol
you	O
must	O
have	O
Java	B-Device
runtime	O
environment	O
.	O
</s>
<s>
Besides	O
the	O
web	B-Application
client	I-Application
,	O
there	O
is	O
an	O
M-learning	O
application	O
for	O
Android	B-Application
devices	O
called	O
SWADroid	O
,	O
which	O
implements	O
some	O
of	O
the	O
most	O
used	O
features	O
in	O
the	O
web	O
version	O
.	O
</s>
<s>
SWAD	B-Language
can	O
accommodate	O
in	O
a	O
single	O
platform	O
one	O
or	O
multiple	O
educational	O
organizations	O
.	O
</s>
