<s>
FTPFS	B-Application
refers	O
to	O
file	O
systems	O
that	O
support	O
access	O
to	O
a	O
File	B-Protocol
Transfer	I-Protocol
Protocol	I-Protocol
(	O
FTP	B-Protocol
)	O
server	O
through	O
standard	O
file	O
system	O
application	B-Application
programming	I-Application
interfaces	I-Application
(	O
APIs	B-Application
)	O
.	O
</s>
<s>
The	O
ftpfs	B-Application
command	O
in	O
Plan	B-Operating_System
9	I-Operating_System
was	O
originated	O
by	O
Dennis	O
Ritchie	O
and	O
was	O
included	O
in	O
the	O
first	O
release	O
of	O
the	O
system	O
(	O
1992	O
)	O
.	O
</s>
<s>
It	O
arranged	O
for	O
a	O
remote	O
file	O
system	O
reachable	O
via	O
FTP	B-Protocol
to	O
appear	O
as	O
part	O
of	O
the	O
local	O
file	O
system	O
.	O
</s>
<s>
In	O
Linux	B-Operating_System
systems	O
,	O
FTPFS	B-Application
was	O
initially	O
implemented	O
as	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
module	O
that	O
allows	O
the	O
user	O
to	O
mount	O
a	O
FTP	B-Protocol
server	O
onto	O
the	O
local	O
filesystem	O
but	O
it	O
was	O
never	O
seen	O
as	O
the	O
perfect	O
way	O
to	O
do	O
it	O
.	O
</s>
<s>
By	O
2003	O
,	O
it	O
has	O
been	O
converted	O
to	O
use	O
LUFS	O
,	O
and	O
later	O
to	O
FUSE	B-Application
.	O
</s>
<s>
Now	O
it	O
is	O
called	O
CurlFtpFS	O
because	O
it	O
uses	O
the	O
universal	O
libcurl	B-Protocol
for	O
FTP	B-Protocol
transactions	O
and	O
is	O
becoming	O
part	O
of	O
the	O
major	O
Linux	B-Application
distributions	I-Application
.	O
</s>
<s>
There	O
also	O
exists	O
LftpFS	O
for	O
smart	O
mirroring	O
of	O
FTP	B-Protocol
sites	O
.	O
</s>
<s>
In	O
macOS	B-Application
,	O
a	O
read-only	O
FTP	B-Protocol
file	O
system	O
is	O
included	O
that	O
can	O
be	O
used	O
either	O
via	O
the	O
GUI	O
(	O
with	O
)	O
or	O
the	O
command	O
line	O
(	O
mount_ftp	O
)	O
.	O
</s>
<s>
The	O
read-only	O
limitation	O
is	O
noted	O
in	O
the	O
man	O
page	O
for	O
mount_ftp	O
(	O
on	O
a	O
macOS	B-Application
system	O
,	O
in	O
Terminal.app	O
,	O
see	O
"	O
man	O
mount_ftp	O
"	O
)	O
.	O
</s>
<s>
However	O
,	O
the	O
free	O
application	O
Macfusion	O
includes	O
a	O
working	O
implementation	O
of	O
FTPFS	B-Application
.	O
</s>
<s>
Additionally	O
,	O
macOS	B-Application
Fuse	B-Application
is	O
reported	O
to	O
enable	O
this	O
but	O
the	O
method	O
to	O
do	O
so	O
is	O
undocumented	O
(	O
as	O
of	O
March	O
4	O
,	O
2013	O
)	O
either	O
via	O
various	O
obvious	O
man	O
page	O
(	O
e.g.	O
</s>
<s>
sshfs	B-Application
)	O
or	O
in	O
the	O
macOS	B-Application
Fuse	B-Application
wiki	O
.	O
</s>
<s>
For	O
Windows	B-Application
XP	I-Application
,	O
Windows	B-Device
7	I-Device
and	O
other	O
Windows	O
operating	O
systems	O
,	O
this	O
functionality	O
is	O
partially	O
provided	O
by	O
the	O
"	O
Network	O
Places	O
"	O
/	O
"	O
Network	O
Location	O
"	O
shell	O
facility	O
;	O
a	O
network	O
place	O
is	O
a	O
link	O
to	O
either	O
an	O
FTP	B-Protocol
server	O
or	O
a	O
WebDAV	B-Protocol
server	O
and	O
can	O
be	O
accessed	O
in	O
Windows	B-Protocol
Explorer	I-Protocol
as	O
just	O
another	O
network	O
filesystem	O
.	O
</s>
<s>
This	O
does	O
not	O
provide	O
transparent	O
access	O
through	O
the	O
lowest-level	O
Win32	B-Library
file	O
system	O
APIs	B-Application
,	O
however	O
.	O
</s>
<s>
Such	O
functionality	O
can	O
be	O
provided	O
by	O
third	O
party	O
programs	O
such	O
as	O
WebDrive	B-Protocol
and	O
FTPDrive	B-Application
.	O
</s>
