<s>
HDCopy	B-Application
is	O
a	O
disk	B-Application
image	I-Application
application	O
for	O
floppy	B-Device
disks	I-Device
that	O
runs	O
in	O
MS-DOS	B-Application
.	O
</s>
<s>
It	O
can	O
copy	O
a	O
floppy	B-Device
on	O
the	O
fly	O
,	O
or	O
by	O
using	O
archives	O
with	O
IMG	B-General_Concept
file	I-General_Concept
extension	O
that	O
store	O
the	O
content	O
of	O
the	O
disk	O
with	O
a	O
proprietary	O
file	O
format	O
(	O
whose	O
first	O
three	O
bytes	O
noted	O
in	O
hexadecimal	O
will	O
be	O
FF	O
18	O
,	O
and	O
its	O
size	O
will	O
be	O
anything	O
)	O
.	O
</s>
<s>
HD	O
represents	O
high	O
density	O
(	O
floppy	B-Device
disks	I-Device
with	O
capacity	O
greater	O
than	O
1.2	O
MB	O
)	O
.	O
</s>
<s>
In	O
the	O
early	O
90s	O
,	O
when	O
floppy	B-Device
diskettes	I-Device
for	O
PCs	O
were	O
widely	O
used	O
,	O
HDCopy	B-Application
was	O
extremely	O
popular	O
in	O
many	O
places	O
.	O
</s>
<s>
Its	O
usage	O
started	O
to	O
decline	O
as	O
floppy	B-Device
disks	I-Device
became	O
less	O
widely	O
used	O
.	O
</s>
<s>
The	O
last	O
released	O
version	O
of	O
HDCopy	B-Application
is	O
2.0a	O
.	O
</s>
<s>
To	O
use	O
these	O
images	O
you	O
may	O
need	O
to	O
restore	O
the	O
image	O
using	O
HDCopy	B-Application
and	O
then	O
create	O
a	O
raw	O
image	O
of	O
it	O
using	O
RawWrite	O
,	O
dd	B-Application
,	O
WinImage	O
,	O
etc	O
.	O
</s>
<s>
You	O
may	O
also	O
need	O
to	O
use	O
a	O
virtual	O
floppy	B-Device
drive	I-Device
to	O
emulate	O
a	O
floppy	B-Device
drive	I-Device
.	O
</s>
