<s>
Process	B-Language
Monitor	I-Language
is	O
a	O
tool	O
from	O
Windows	O
Sysinternals	O
,	O
part	O
of	O
the	O
Microsoft	O
TechNet	O
website	O
.	O
</s>
<s>
The	O
tool	O
monitors	O
and	O
displays	O
in	O
real-time	O
all	O
file	O
system	O
activity	O
on	O
a	O
Microsoft	B-Application
Windows	I-Application
or	O
Unix-like	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
It	O
combines	O
two	O
older	O
tools	O
,	O
FileMon	B-Language
and	O
RegMon	B-Language
and	O
is	O
used	O
in	O
system	B-Application
administration	I-Application
,	O
computer	O
forensics	O
,	O
and	O
application	O
debugging	O
.	O
</s>
<s>
Process	B-Language
Monitor	I-Language
monitors	O
and	O
records	O
all	O
actions	O
attempted	O
against	O
the	O
Microsoft	B-Application
Windows	I-Application
Registry	B-Protocol
.	O
</s>
<s>
Process	B-Language
Monitor	I-Language
can	O
be	O
used	O
to	O
detect	O
failed	O
attempts	O
to	O
read	O
and	O
write	O
registry	B-Protocol
keys	I-Protocol
.	O
</s>
<s>
In	O
addition	O
it	O
shows	O
how	O
applications	O
use	O
files	O
and	O
DLLs	O
,	O
detects	O
some	O
critical	O
errors	O
in	O
system	B-General_Concept
files	I-General_Concept
and	O
more	O
.	O
</s>
<s>
RegMon	B-Language
and	O
its	O
sister	O
application	O
Filemon	B-Language
were	O
primarily	O
created	O
by	O
Mark	O
Russinovich	O
and	O
Bryce	O
Cogswell	O
,	O
employed	O
by	O
NuMega	O
Technologies	O
and	O
later	O
SysInternals	O
prior	O
SysInternals	O
being	O
bought	O
out	O
by	O
Microsoft	O
in	O
2006	O
.	O
</s>
<s>
The	O
two	O
tools	O
were	O
combined	O
to	O
create	O
Process	B-Language
Monitor	I-Language
.	O
</s>
<s>
Early	O
versions	O
of	O
Process	B-Language
Monitor	I-Language
(	O
up	O
to	O
version	O
2.8	O
)	O
ran	O
on	O
Windows	B-Application
2000	I-Application
SP4	O
with	O
Update	O
Rollup	O
1	O
.	O
</s>
<s>
The	O
current	O
version	O
for	O
Windows	O
only	O
runs	O
on	O
Windows	B-Application
Vista	I-Application
and	O
above	O
.	O
</s>
<s>
Initially	O
,	O
ProcMon	B-Language
was	O
only	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
In	O
November	O
2018	O
,	O
Microsoft	O
confirmed	O
it	O
is	O
porting	O
Sysinternals	O
tools	O
,	O
including	O
ProcDump	B-Language
and	O
ProcMon	B-Language
,	O
to	O
Linux	B-Application
.	O
</s>
<s>
The	O
Linux	B-Application
port	O
of	O
the	O
software	O
is	O
open	B-License
source	I-License
.	O
</s>
<s>
It	O
is	O
licensed	O
under	O
MIT	B-License
License	I-License
and	O
the	O
source	O
code	O
is	O
available	O
on	O
GitHub	B-Application
.	O
</s>
<s>
FileMon	B-Language
(	O
from	O
a	O
concatenation	O
of	O
"	O
File	O
"	O
and	O
"	O
Monitor	O
"	O
)	O
was	O
a	O
free	O
utility	O
for	O
32/64	O
-bit	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
systems	I-Application
which	O
provided	O
users	O
with	O
a	O
powerful	O
tool	O
to	O
monitor	O
and	O
display	O
file	O
system	O
activity	O
.	O
</s>
<s>
FileMon	B-Language
is	O
no	O
longer	O
supported	O
.	O
</s>
<s>
The	O
RegMon	B-Language
utility	O
from	O
Sysinternals	O
provided	O
forensics	O
on	O
Windows	B-Protocol
Registry	I-Protocol
usage	O
.	O
</s>
<s>
RegMon	B-Language
is	O
no	O
longer	O
supported	O
.	O
</s>
