<s>
A	O
system	B-Application
profiler	I-Application
is	O
a	O
program	O
that	O
can	O
provide	O
detailed	O
information	O
about	O
the	O
software	O
installed	O
and	O
hardware	B-Architecture
attached	O
to	O
a	O
computer	O
.	O
</s>
<s>
Typically	O
workstations	O
and	O
personal	O
computers	O
have	O
had	O
system	B-Application
profilers	I-Application
as	O
a	O
common	O
feature	O
since	O
the	O
mid-1990s	O
.	O
</s>
<s>
However	O
,	O
system	B-Application
profilers	I-Application
exist	O
on	O
most	O
computing	O
architectures	O
in	O
some	O
form	O
or	O
other	O
.	O
</s>
<s>
System	B-Application
Monitor	I-Application
programs	O
in	O
mainframes	O
essentially	O
provide	O
the	O
same	O
function	O
as	O
system	B-Application
profiler	I-Application
programs	O
on	O
personal	O
computers	O
.	O
</s>
<s>
Modern	O
system	B-Application
profilers	I-Application
typically	O
provide	O
real	O
time	O
information	O
on	O
not	O
only	O
the	O
CPU	B-Device
state	O
(	O
such	O
as	O
clock	O
speed	O
)	O
,	O
GPU	B-Architecture
state	O
,	O
and	O
attached	O
hardware	B-Architecture
state	O
(	O
such	O
as	O
USB	B-Protocol
or	O
FireWire	B-Protocol
devices	O
)	O
.	O
</s>
<s>
System	B-Application
profilers	I-Application
came	O
into	O
use	O
after	O
punch	O
cards	O
were	O
no	O
longer	O
needed	O
to	O
run	O
programs	O
.	O
</s>
<s>
Since	O
the	O
1990s	O
hardware	B-Architecture
independent	O
system	B-Application
profilers	I-Application
have	O
emerged	O
in	O
some	O
computing	O
architectures	O
,	O
like	O
Linux	B-Application
.	O
</s>
<s>
Most	O
Unix-like	B-Operating_System
(	O
aka	O
POSIX	O
compliant	O
)	O
operating	O
systems	O
have	O
system	O
hardware	B-Architecture
independent	O
profilers	O
.	O
</s>
<s>
In	O
Apple	O
Computer	O
's	O
classic	B-Application
Mac	I-Application
OS	I-Application
,	O
this	O
was	O
done	O
by	O
an	O
application	O
called	O
Apple	B-Application
System	I-Application
Profiler	I-Application
.	O
</s>
<s>
macOS	B-Application
 '	O
profiler	O
is	O
simply	O
called	O
System	B-Application
Information	I-Application
,	O
and	O
can	O
be	O
accessed	O
via	O
two	O
methods	O
.	O
</s>
<s>
A	O
GUI	B-Application
application	O
,	O
System	O
Information.app	O
,	O
provides	O
system	B-Application
information	I-Application
in	O
simplified	O
tables	O
and	O
trees	O
,	O
whereas	O
detailed	O
,	O
highly-verbose	O
information	O
can	O
be	O
viewed	O
upon	O
executing	O
the	O
/usr/sbin/system_profiler	O
binary	B-Application
in	O
a	O
terminal	B-Application
emulator	I-Application
.	O
</s>
<s>
In	O
Microsoft	B-Application
Windows	I-Application
,	O
similar	O
information	O
can	O
be	O
found	O
by	O
viewing	O
the	O
properties	O
of	O
"	O
My	O
Computer	O
"	O
or	O
"	O
This	O
PC	O
,	O
"	O
pressing	O
the	O
Windows	B-Device
key	I-Device
and	O
Pause/Break	O
key	O
simultaneously	O
,	O
or	O
by	O
executing	O
the	O
msinfo32.exe	B-Application
binary	B-Application
.	O
</s>
<s>
Belarc	O
–	O
freeware	O
for	O
personal	O
use	O
PC	O
Auditing	O
Software	O
lists	O
hardware	B-Architecture
,	O
as	O
well	O
as	O
software	O
installed	O
on	O
the	O
local	O
machine	O
and	O
displays	O
as	O
a	O
local	O
webpage	O
.	O
</s>
<s>
systeminfo	B-Application
–	O
native	O
windows	O
command	O
line	O
,	O
returns	O
OS	O
version	O
,	O
uptime	B-Device
,	O
CPU	B-Device
,	O
physical	O
memory	O
,	O
network	O
cards	O
,	O
etc	O
.	O
</s>
