<s>
In	O
computing	O
,	O
SSHFS	B-Application
(	O
SSH	B-Application
Filesystem	I-Application
)	O
is	O
a	O
filesystem	B-Application
client	O
to	O
mount	B-Application
and	O
interact	O
with	O
directories	B-Application
and	O
files	B-Operating_System
located	O
on	O
a	O
remote	O
server	B-Application
or	O
workstation	B-Device
over	O
a	O
normal	O
ssh	B-Protocol
connection	O
.	O
</s>
<s>
The	O
client	O
interacts	O
with	O
the	O
remote	O
file	B-Application
system	I-Application
via	O
the	O
SSH	B-Protocol
File	I-Protocol
Transfer	I-Protocol
Protocol	I-Protocol
(	O
SFTP	O
)	O
,	O
a	O
network	O
protocol	O
providing	O
file	B-Application
access	I-Application
,	O
file	B-Protocol
transfer	I-Protocol
,	O
and	O
file	B-Application
management	I-Application
functionality	O
over	O
any	O
reliable	O
data	B-General_Concept
stream	I-General_Concept
that	O
was	O
designed	O
as	O
an	O
extension	O
of	O
the	O
Secure	B-Protocol
Shell	I-Protocol
protocol	I-Protocol
(	O
SSH	B-Protocol
)	O
version	O
2.0	O
.	O
</s>
<s>
The	O
current	O
implementation	O
of	O
SSHFS	B-Application
using	O
FUSE	B-Application
is	O
a	O
rewrite	O
of	O
an	O
earlier	O
version	O
.	O
</s>
<s>
The	O
rewrite	O
was	O
done	O
by	O
Miklos	O
Szeredi	O
,	O
who	O
also	O
wrote	O
FUSE	B-Application
.	O
</s>
<s>
SFTP	O
provides	O
secure	O
file	B-Protocol
transfer	I-Protocol
from	O
a	O
remote	O
file	B-Application
system	I-Application
.	O
</s>
<s>
While	O
SFTP	O
clients	O
can	O
transfer	O
files	B-Operating_System
and	O
directories	B-Application
,	O
they	O
cannot	O
mount	B-Application
the	O
server	B-Application
's	O
file	B-Application
system	I-Application
into	O
the	O
local	O
directory	B-Application
tree	I-Application
.	O
</s>
<s>
Using	O
SSHFS	B-Application
,	O
a	O
remote	O
file	B-Application
system	I-Application
may	O
be	O
treated	O
in	O
the	O
same	O
way	O
as	O
other	O
volumes	O
(	O
such	O
as	O
hard	O
drives	O
or	O
removable	O
media	O
)	O
.	O
</s>
<s>
Using	O
the	O
Unix	B-Application
command	I-Application
ls	B-Application
with	O
sshfs	B-Application
will	O
sometimes	O
not	O
list	O
the	O
owner	O
of	O
a	O
file	O
correctly	O
,	O
although	O
it	O
is	O
possible	O
to	O
map	O
them	O
manually	O
.	O
</s>
<s>
For	O
distributed	O
remote	O
file	B-Application
systems	I-Application
with	O
multiple	O
users	O
,	O
protocols	O
such	O
as	O
Apple	B-Protocol
Filing	I-Protocol
Protocol	I-Protocol
,	O
Network	B-Protocol
File	I-Protocol
System	I-Protocol
and	O
Server	B-Operating_System
Message	I-Operating_System
Block	I-Operating_System
are	O
more	O
often	O
used	O
.	O
</s>
<s>
SSHFS	B-Application
is	O
an	O
alternative	O
to	O
those	O
protocols	O
only	O
in	O
situations	O
where	O
users	O
are	O
confident	O
that	O
files	B-Operating_System
and	O
directories	B-Application
will	O
not	O
be	O
targeted	O
for	O
writing	O
by	O
another	O
user	O
,	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
The	O
advantage	O
of	O
SSHFS	B-Application
when	O
compared	O
to	O
other	O
network	B-Protocol
file	I-Protocol
system	I-Protocol
protocols	O
is	O
that	O
,	O
given	O
that	O
a	O
user	O
already	O
has	O
SSH	B-Protocol
access	O
to	O
a	O
host	O
,	O
it	O
does	O
not	O
require	O
any	O
additional	O
configuration	O
work	O
,	O
or	O
the	O
opening	O
of	O
additional	O
entry	O
ports	O
in	O
a	O
firewall	B-Application
.	O
</s>
