<s>
xCAT	B-Operating_System
(	O
Extreme	B-Operating_System
Cloud	I-Operating_System
Administration	I-Operating_System
Toolkit	I-Operating_System
)	O
is	O
open-source	B-Application
distributed	B-Architecture
computing	I-Architecture
management	O
software	O
developed	O
by	O
IBM	O
,	O
used	O
for	O
the	O
deployment	O
and	O
administration	B-Application
of	O
Linux	B-Application
or	O
AIX	B-Application
based	O
clusters	B-Architecture
.	O
</s>
<s>
xCAT	B-Operating_System
can	O
:	O
</s>
<s>
xCAT	B-Operating_System
has	O
specific	O
features	O
designed	O
to	O
take	O
advantage	O
of	O
IBM	O
hardware	O
including	O
:	O
</s>
<s>
xCAT	B-Operating_System
achieved	O
recognition	O
in	O
June	O
2008	O
for	O
having	O
been	O
used	O
with	O
the	O
IBM	B-General_Concept
Roadrunner	I-General_Concept
,	O
which	O
set	O
a	O
computing	O
speed	O
record	O
at	O
that	O
time	O
.	O
</s>
<s>
xCAT	B-Operating_System
is	O
the	O
default	O
systems	O
management	O
tool	O
of	O
the	O
IBM	B-Operating_System
Intelligent	I-Operating_System
Cluster	I-Operating_System
solution	O
.	O
</s>
<s>
xCAT	B-Operating_System
is	O
used	O
by	O
Lenovo	O
.	O
</s>
