<s>
DeviceKit	B-Application
is	O
a	O
modular	O
hardware	B-Operating_System
abstraction	I-Operating_System
layer	I-Operating_System
designed	O
for	O
use	O
in	O
Linux	B-Application
systems	O
that	O
is	O
designed	O
to	O
simplify	O
device	O
management	O
and	O
replace	O
the	O
current	O
monolithic	B-Operating_System
Linux	B-Application
HAL	B-Application
.	O
</s>
<s>
DeviceKit	B-Application
includes	O
the	O
ability	O
to	O
enumerate	O
system	O
devices	O
and	O
send	O
notifications	O
when	O
hardware	O
is	O
added	O
or	O
removed	O
from	O
the	O
computer	O
system	O
.	O
</s>
<s>
In	O
May	O
2008	O
,	O
HAL	B-Application
developer	O
David	O
Zeuthen	O
announced	O
his	O
intention	O
to	O
deprecate	O
HAL	B-Application
,	O
mainly	O
because	O
of	O
its	O
complexity	O
and	O
redundancy	O
with	O
other	O
libraries	O
in	O
the	O
Linux	B-Application
environment	O
.	O
</s>
<s>
DeviceKit	B-Application
is	O
the	O
new	O
library	O
providing	O
those	O
services	O
,	O
while	O
the	O
hardware	O
is	O
supposed	O
to	O
be	O
accessed	O
through	O
other	O
libraries	O
instead	O
of	O
HAL	B-Application
or	O
DeviceKit	B-Application
.	O
</s>
<s>
The	O
first	O
distribution	O
to	O
include	O
DeviceKit	B-Application
was	O
Fedora	O
11	O
.	O
</s>
<s>
Ubuntu	B-Operating_System
9.10	O
replaced	O
some	O
of	O
the	O
old	O
HAL	B-Application
features	O
with	O
DeviceKit	B-Application
and	O
functionality	O
from	O
udev	B-Application
.	O
</s>
<s>
On	O
1	O
December	O
2009	O
,	O
it	O
was	O
announced	O
that	O
DeviceKit-disks	B-Language
was	O
renamed	O
to	O
udisks	B-Application
and	O
that	O
a	O
similar	O
rename	O
would	O
happen	O
for	O
DeviceKit-power	B-Application
.	O
</s>
<s>
According	O
to	O
DeviceKit	B-Application
devel	O
mailing	O
list	O
,	O
DeviceKit	B-Application
is	O
getting	O
merged	O
with	O
and	O
the	O
existing	O
DeviceKit	B-Application
programs	O
such	O
as	O
DeviceKit-disks	B-Language
and	O
DeviceKit-power	B-Application
will	O
be	O
switched	O
over	O
to	O
use	O
.	O
</s>
