<s>
In	O
computing	O
,	O
replace	O
is	O
a	O
command	B-Application
that	O
is	O
used	O
to	O
replace	O
one	O
or	O
more	O
existing	O
computer	B-Operating_System
files	I-Operating_System
or	O
add	O
new	O
files	O
to	O
a	O
target	O
directory	B-Application
.	O
</s>
<s>
Files	O
with	O
a	O
hidden	B-Application
or	O
system	B-General_Concept
attribute	B-Application
set	O
cannot	O
be	O
replaced	O
using	O
replace	O
.	O
</s>
<s>
The	O
command	B-Application
lists	O
all	O
files	O
that	O
are	O
replaced	O
.	O
</s>
<s>
The	O
replace	O
command	B-Application
first	O
appeared	O
in	O
MS-DOS	B-Application
3.2	O
and	O
has	O
been	O
included	O
in	O
most	O
versions	O
of	O
MS-DOS	B-Application
and	O
compatibles	B-Device
such	O
as	O
FreeDOS	B-Application
and	O
PTS-DOS	B-Operating_System
.	O
</s>
<s>
DR	B-Application
DOS	I-Application
6.0	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
Rene	O
Ableidinger	O
and	O
is	O
licensed	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
It	O
is	O
also	O
included	O
as	O
a	O
console	B-Application
command	I-Application
in	O
IBM	B-Application
OS/2	I-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
ReactOS	B-Application
.	O
</s>
<s>
The	O
ReactOS	B-Application
version	O
was	O
developed	O
by	O
Samuel	O
Erdtman	O
and	O
is	O
licensed	O
under	O
the	O
GPL	B-License
.	O
</s>
