<s>
Hardware	B-Device
Management	I-Device
Console	I-Device
(	O
HMC	O
)	O
is	O
a	O
Physical	O
/	O
Virtual	O
appliance	O
used	O
to	O
manage	O
IBM	O
Systems	O
including	O
IBM	B-Device
AS/400	I-Device
,	O
IBM	B-Device
System	I-Device
p	I-Device
,	O
IBM	B-Device
System	I-Device
z	I-Device
,	O
and	O
IBM	O
Power	O
Systems	O
.	O
</s>
<s>
HMC	O
supports	O
command	B-Application
line	I-Application
(	O
ssh	O
)	O
as	O
well	O
as	O
web	O
(	O
https	B-Protocol
)	O
user	O
interfaces	O
and	O
REST	O
API	O
.	O
</s>
<s>
Using	O
an	O
HMC	O
,	O
the	O
system	B-Application
administrator	I-Application
can	O
manage	O
many	O
systems	O
and	O
partitions	O
.	O
</s>
<s>
zSeries	O
mainframes	O
prior	O
to	O
the	O
IBM	B-Device
System	I-Device
z9	I-Device
used	O
a	O
modified	O
version	O
of	O
OS/2	B-Application
with	O
custom	O
software	O
to	O
provide	O
the	O
interface	O
.	O
</s>
<s>
System	B-Device
z9	I-Device
's	O
HMC	O
no	O
longer	O
uses	O
OS/2	B-Application
,	O
but	O
instead	O
uses	O
a	O
modified	O
version	O
of	O
Linux	B-Application
with	O
an	O
OS/2	B-Application
lookalike	O
interface	O
to	O
ease	O
transition	O
as	O
well	O
as	O
a	O
new	O
interface	O
.	O
</s>
<s>
Unlike	O
the	O
previous	O
HMC	O
application	O
on	O
OS/2	B-Application
,	O
the	O
new	O
HMC	O
is	O
web-based	O
which	O
means	O
that	O
even	O
local	O
access	O
is	O
done	O
via	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
Remote	O
HMC	O
access	O
is	O
available	O
,	O
although	O
only	O
over	O
an	O
SSL	B-Protocol
encrypted	O
HTTP	B-Protocol
connection	O
.	O
</s>
<s>
IBM	O
refers	O
to	O
the	O
new	O
HMC	O
as	O
a	O
"	O
closed	O
platform	O
"	O
which	O
does	O
not	O
allow	O
the	O
user	O
to	O
install	O
software	O
or	O
access	O
the	O
command	B-Application
line	I-Application
interface	I-Application
to	O
increase	O
security	O
and	O
stability	O
.	O
</s>
