<s>
RichCopy	B-Application
is	O
a	O
file	O
copy	O
utility	O
program	O
developed	O
by	O
Ken	O
Tamaru	O
of	O
Microsoft	O
Corporation	O
,	O
discontinued	O
in	O
2010	O
.	O
</s>
<s>
It	O
is	O
multi-threaded	B-Operating_System
,	O
which	O
permits	O
it	O
under	O
some	O
circumstances	O
to	O
copy	O
files	O
faster	O
than	O
some	O
other	O
copiers	O
available	O
for	O
the	O
Windows	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
It	O
provides	O
a	O
complete	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
,	O
whereas	O
Microsoft	O
's	O
multi-threaded	B-Operating_System
Robocopy	O
is	O
a	O
command-line	B-Application
utility	O
,	O
although	O
there	O
are	O
GUI	B-Application
interfaces	O
for	O
it	O
.	O
</s>
<s>
Can	O
copy	O
several	O
files	O
simultaneously	O
(	O
"	O
multi-threaded	B-Operating_System
"	O
)	O
,	O
which	O
under	O
certain	O
network	O
conditions	O
,	O
may	O
reduce	O
the	O
time	O
required	O
for	O
file	O
transfers	O
.	O
</s>
<s>
Can	O
be	O
invoked	O
either	O
as	O
a	O
command-line	B-Application
utility	O
or	O
via	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
.	O
</s>
<s>
If	O
used	O
with	O
the	O
GUI	B-Application
,	O
can	O
generate	O
the	O
command	B-Application
line	I-Application
to	O
carry	O
out	O
the	O
action	O
specified	O
for	O
the	O
GUI	B-Application
.	O
</s>
<s>
RichCopy	B-Application
is	O
best	O
utilized	O
by	O
experienced	O
users	O
who	O
know	O
how	O
to	O
verify	O
that	O
copy	O
operations	O
have	O
completed	O
successfully	O
without	O
errors	O
.	O
</s>
<s>
RichCopy	B-Application
is	O
not	O
supported	O
by	O
Microsoft	O
.	O
</s>
<s>
RichCopy	B-Application
will	O
not	O
copy	O
files	O
that	O
are	O
opened	O
with	O
certain	O
combinations	O
of	O
file	O
sharing	O
attributes	O
.	O
</s>
<s>
Any	O
process	O
may	O
open	O
files	O
for	O
exclusive	O
read	O
access	O
by	O
withholding	O
the	O
FILE_SHARE_READ	O
Another	O
company	O
created	O
non-free	O
GS	O
RichCopy	B-Application
360	O
,	O
which	O
can	O
copy	O
open	O
files	O
and	O
has	O
been	O
developed	O
further	O
.	O
</s>
