<s>
Synaptic	B-Language
is	O
a	O
GTK-based	O
graphical	B-Application
user	I-Application
interface	I-Application
for	O
the	O
APT	B-Application
package	B-Application
manager	I-Application
used	O
by	O
the	O
Debian	O
Linux	B-Application
distribution	I-Application
and	O
its	O
derivatives	O
.	O
</s>
<s>
Synaptic	B-Language
is	O
usually	O
used	O
on	O
systems	O
based	O
on	O
deb	O
packages	O
but	O
can	O
also	O
be	O
used	O
on	O
systems	O
based	O
on	O
RPM	B-Application
packages	I-Application
.	O
</s>
<s>
It	O
can	O
be	O
used	O
to	O
install	O
,	O
remove	O
and	O
upgrade	O
software	B-Application
packages	I-Application
and	O
to	O
add	O
repositories	B-Application
.	O
</s>
<s>
The	O
package	B-Application
manager	I-Application
enables	O
the	O
user	O
to	O
install	O
,	O
to	O
upgrade	O
or	O
to	O
remove	O
software	B-Application
packages	I-Application
.	O
</s>
<s>
Synaptic	B-Language
development	O
was	O
funded	O
by	O
the	O
brazilian	O
company	O
Conectiva	O
,	O
which	O
asked	O
Alfredo	O
Kojima	O
,	O
then	O
an	O
employee	O
,	O
to	O
write	O
a	O
graphical	O
front-end	O
for	O
APT	B-Application
,	O
continuing	O
the	O
work	O
initiated	O
with	O
the	O
creation	O
of	O
the	O
APT	B-Application
RPM	B-Application
back-end	O
,	O
apt-rpm	B-Application
.	O
</s>
