<s>
BleachBit	B-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
disk	B-General_Concept
space	I-General_Concept
cleaner	O
,	O
privacy	O
manager	O
,	O
and	O
computer	O
system	O
optimizer	O
.	O
</s>
<s>
The	O
BleachBit	B-Language
source	O
code	O
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
version	O
3	O
.	O
</s>
<s>
BleachBit	B-Language
was	O
first	O
publicly	O
released	O
on	O
24	O
December	O
2008	O
for	O
Linux	B-Application
systems	O
.	O
</s>
<s>
The	O
0.2.1	O
release	O
created	O
some	O
controversy	O
by	O
suggesting	O
Linux	B-Application
needed	O
a	O
registry	B-Application
cleaner	I-Application
.	O
</s>
<s>
On	O
May	O
29	O
,	O
2009	O
,	O
BleachBit	B-Language
version	O
0.5.0	O
added	O
support	O
for	O
Windows	B-Application
XP	I-Application
,	O
Windows	B-Application
Vista	I-Application
,	O
and	O
Windows	B-Device
7	I-Device
.	O
</s>
<s>
On	O
September	O
16	O
,	O
2009	O
,	O
version	O
0.6.4	O
introduced	O
command-line	B-Application
interface	I-Application
support	O
.	O
</s>
<s>
BleachBit	B-Language
is	O
available	O
for	O
download	O
through	O
its	O
website	O
and	O
the	O
repositories	B-Application
of	O
many	O
Linux	B-Application
distributions	I-Application
.	O
</s>
<s>
BleachBit	B-Language
is	O
written	O
in	O
the	O
Python	B-Language
programming	I-Language
language	I-Language
and	O
uses	O
PyGTK	B-Language
.	O
</s>
<s>
Most	O
of	O
BleachBit	B-Language
's	O
cleaners	O
are	O
written	O
in	O
CleanerML	O
,	O
an	O
open	O
standard	O
XML-based	O
markup	O
language	O
for	O
writing	O
cleaners	O
.	O
</s>
<s>
CleanerML	O
deals	O
not	O
only	O
with	O
deleting	O
files	O
,	O
but	O
also	O
executes	O
more	O
specialized	O
actions	O
,	O
such	O
as	O
vacuuming	O
an	O
SQLite	B-Language
database	O
(	O
used	O
,	O
for	O
example	O
,	O
to	O
clean	O
Yum	B-Application
)	O
.	O
</s>
<s>
BleachBit	B-Language
's	O
file	O
shredder	O
uses	O
only	O
a	O
single	O
,	O
"	O
secure	O
"	O
pass	O
because	O
its	O
developers	O
believe	O
that	O
there	O
is	O
a	O
lack	O
of	O
evidence	O
that	O
multiple	O
passes	O
,	O
such	O
as	O
the	O
35-pass	O
Gutmann	B-Algorithm
method	I-Algorithm
,	O
are	O
more	O
effective	O
.	O
</s>
<s>
Congressman	O
Trey	O
Gowdy	O
announced	O
that	O
he	O
had	O
seen	O
notes	O
from	O
the	O
Federal	O
Bureau	O
of	O
Investigation	O
(	O
FBI	O
)	O
,	O
taken	O
during	O
an	O
investigation	O
of	O
Hillary	O
Clinton	O
's	O
emails	O
,	O
that	O
stated	O
that	O
her	O
staff	O
had	O
used	O
BleachBit	B-Language
in	O
order	O
to	O
delete	O
tens	O
of	O
thousands	O
of	O
emails	O
on	O
her	O
private	O
server	O
.	O
</s>
<s>
After	O
the	O
announcement	O
,	O
BleachBit	B-Language
's	O
company	O
website	O
reportedly	O
received	O
increased	O
traffic	O
.	O
</s>
