<s>
In	O
computing	O
,	O
comp	B-Device
is	O
a	O
command	B-Application
used	O
on	O
DEC	O
OS/8	B-Operating_System
,	O
DOS	B-Device
,	O
DR	B-Operating_System
FlexOS	I-Operating_System
,	O
IBM	B-Application
OS/2	I-Application
,	O
Microsoft	B-Application
Windows	I-Application
and	O
related	O
computer	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
such	O
as	O
ReactOS	B-Application
.	O
</s>
<s>
It	O
is	O
used	O
to	O
perform	O
comparisons	O
of	O
multiple	O
computer	B-Operating_System
files	I-Operating_System
to	O
show	O
the	O
differences	O
between	O
them	O
.	O
</s>
<s>
In	O
DOS	B-Device
,	O
the	O
comp	B-Device
command	B-Application
first	O
appeared	O
in	O
PC	B-Operating_System
DOS	I-Operating_System
1.0	O
and	O
has	O
been	O
included	O
in	O
most	O
versions	O
of	O
MS-DOS	B-Application
and	O
PC	B-Operating_System
DOS	I-Operating_System
.	O
</s>
<s>
A	O
newer	O
command	B-Application
,	O
fc	B-Device
was	O
added	O
in	O
DOS	B-Device
3.3	O
which	O
allows	O
for	O
line	O
comparisons	O
in	O
addition	O
to	O
binary	O
comparisons	O
.	O
</s>
<s>
DR	B-Application
DOS	I-Application
6.0	O
also	O
includes	O
an	O
implementation	O
of	O
the	O
command	B-Application
.	O
</s>
<s>
The	O
FreeDOS	B-Application
version	O
was	O
developed	O
by	O
Paul	O
Vojta	O
and	O
is	O
licensed	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
Ged	O
Murphy	O
developed	O
the	O
ReactOS	B-Application
version	O
.	O
</s>
<s>
The	O
command	B-Application
is	O
also	O
available	O
in	O
the	O
EFI	B-Architecture
shell	I-Architecture
.	O
</s>
<s>
The	O
command-syntax	O
is	O
:	O
</s>
