<s>
GNOME	B-Language
Files	I-Language
,	O
formerly	O
and	O
internally	O
known	O
as	O
Nautilus	B-Protocol
,	O
is	O
the	O
official	O
file	B-Application
manager	I-Application
for	O
the	O
GNOME	B-Application
desktop	I-Application
.	O
</s>
<s>
Nautilus	B-Protocol
was	O
originally	O
developed	O
by	O
Eazel	O
with	O
many	O
luminaries	O
from	O
the	O
tech	O
world	O
including	O
Andy	O
Hertzfeld	O
(	O
Apple	O
)	O
,	O
chief	O
architect	O
for	O
Nautilus	B-Protocol
.	O
</s>
<s>
The	O
nautilus	B-Protocol
name	O
was	O
a	O
play	O
on	O
words	O
,	O
evoking	O
the	O
shell	B-Application
of	O
a	O
nautilus	B-Protocol
to	O
represent	O
an	O
operating	B-Operating_System
system	I-Operating_System
shell	I-Operating_System
.	O
</s>
<s>
Nautilus	B-Protocol
replaced	O
Midnight	B-Protocol
Commander	I-Protocol
in	O
GNOME	B-Language
1.4	I-Language
(	O
2001	O
)	O
and	O
has	O
been	O
the	O
default	O
file	B-Application
manager	I-Application
from	O
version	O
2.0	O
onwards	O
.	O
</s>
<s>
Nautilus	B-Protocol
was	O
the	O
flagship	O
product	O
of	O
the	O
now-defunct	O
Eazel	O
Inc	O
and	O
was	O
released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
It	O
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
.	O
</s>
<s>
Nautilus	B-Protocol
was	O
originally	O
developed	O
by	O
Eazel	O
and	O
Andy	O
Hertzfeld	O
(	O
founder	O
of	O
Eazel	O
and	O
a	O
former	O
Apple	O
engineer	O
)	O
in	O
1999	O
.	O
</s>
<s>
Nautilus	B-Protocol
was	O
first	O
released	O
in	O
2001	O
and	O
development	O
has	O
continued	O
ever	O
since	O
.	O
</s>
<s>
Version	O
1.0	O
was	O
released	O
on	O
March	O
13	O
,	O
2001	O
,	O
and	O
incorporated	O
into	O
GNOME	B-Language
1.4	I-Language
.	O
</s>
<s>
Version	O
2.2	O
included	O
changes	O
to	O
make	O
it	O
more	O
compliant	O
with	O
User	B-Application
Interface	I-Application
Guidelines	O
.	O
</s>
<s>
Version	O
2.4	O
switched	O
the	O
desktop	O
folder	O
to	O
~	O
/Desktop	O
(	O
the	O
~	O
represents	O
the	O
user	O
's	O
"	B-Application
Home	I-Application
"	I-Application
folder	O
)	O
to	O
be	O
compliant	O
with	O
freedesktop.org	B-Application
standards	O
.	O
</s>
<s>
In	O
the	O
version	O
included	O
with	O
GNOME	B-Application
2.6	O
,	O
Nautilus	B-Protocol
switched	O
to	O
a	O
spatial	O
interface	O
.	O
</s>
<s>
Several	O
Linux	B-Application
distributions	I-Application
have	O
made	O
"	O
browser	O
"	O
mode	O
the	O
default	O
.	O
</s>
<s>
By	O
an	O
option	O
in	O
the	O
"	O
Edit	O
->	O
Preferences	O
->	O
Behavior	O
"	O
menu	O
in	O
Nautilus	B-Protocol
.	O
</s>
<s>
By	O
using	O
the	O
"	O
--browser	O
"	O
switch	O
when	O
started	O
by	O
a	O
command	O
via	O
a	O
launcher	O
or	O
shell	B-Application
.	O
</s>
<s>
GNOME	B-Application
2.14	O
introduced	O
a	O
version	O
of	O
Nautilus	B-Protocol
with	O
improved	O
searching	O
,	O
integrated	O
optional	O
Beagle	B-Language
support	O
and	O
the	O
ability	O
to	O
save	O
searches	O
as	O
virtual	O
folders	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
GNOME	B-Application
2.22	O
,	O
Nautilus	B-Protocol
was	O
ported	O
to	O
the	O
newly	O
introduced	O
GVfs	B-Language
,	O
the	O
replacement	O
virtual	O
file	O
system	O
for	O
the	O
aging	O
GnomeVFS	B-Application
.	O
</s>
<s>
The	O
2.24	O
stable	O
release	O
of	O
Nautilus	B-Protocol
adds	O
some	O
new	O
features	O
,	O
mainly	O
tabbed	O
browsing	O
and	O
better	O
tab	O
completion	O
.	O
</s>
<s>
With	O
GNOME	B-Application
2.30	O
,	O
Nautilus	B-Protocol
reverted	O
from	O
a	O
spatial	O
interface	O
to	O
a	O
browser	O
navigational	O
model	O
by	O
default	O
.	O
</s>
<s>
Besides	O
,	O
this	O
is	O
the	O
last	O
version	O
that	O
is	O
based	O
on	O
GTK2	B-Application
before	O
the	O
move	O
to	O
GNOME	B-Application
3.0	O
with	O
GTK3	B-Application
.	O
</s>
<s>
Nautilus	B-Protocol
2.x	O
was	O
forked	O
to	O
Caja	O
,	O
as	O
well	O
as	O
MATE	O
Desktop	O
from	O
Gnome	B-Application
2.x	O
after	O
Gnome	B-Application
3.0	O
.	O
</s>
<s>
Today	O
both	O
Mate	O
and	O
Caja	O
are	O
based	O
on	O
GTK3	B-Application
.	O
</s>
<s>
GNOME	B-Application
3.0	O
completely	O
revamped	O
the	O
UX	O
of	O
Nautilus	B-Protocol
with	O
focus	O
on	O
sidebar	O
and	O
icons	O
.	O
</s>
<s>
Nautilus	B-Protocol
was	O
ported	O
to	O
GTK3	B-Application
.	O
</s>
<s>
Version	O
3.6	O
introduced	O
a	O
revamped	O
UI	B-Application
design	O
,	O
symbolic	O
sidebar	O
icon	O
,	O
new	O
search	O
feature	O
,	O
removal	O
of	O
many	O
features	O
such	O
as	O
setting	O
window	O
background	O
,	O
emblems	O
,	O
split	O
pane	O
mode	O
,	O
spatial	O
mode	O
,	O
scripts	O
,	O
compact	O
view	O
mode	O
and	O
tree	O
view	O
.	O
</s>
<s>
Nautilus	B-Protocol
 '	O
application	O
name	O
was	O
renamed	O
to	O
Files	O
,	O
Though	O
it	O
is	O
still	O
called	O
Nautilus	B-Protocol
internally	O
in	O
some	O
distributions	O
.	O
</s>
<s>
These	O
major	O
changes	O
led	O
to	O
a	O
lot	O
of	O
criticism	O
,	O
and	O
various	O
vendors	O
such	O
as	O
Linux	B-Application
Mint	I-Application
decided	O
to	O
fork	O
version	O
3.4	O
.	O
</s>
<s>
Version	O
3.8	O
included	O
a	O
new	O
option	O
to	O
view	O
files	O
and	O
folders	O
as	O
a	O
tree	O
,	O
a	O
new	O
Connect	O
to	O
Server	O
item	O
in	O
the	O
sidebar	O
and	O
incremental	B-Application
loading	I-Application
of	I-Application
search	I-Application
results	I-Application
.	O
</s>
<s>
Version	O
3.10	O
introduced	O
a	O
slightly	O
revamped	O
UI	B-Application
design	O
in	O
which	O
titlebars	O
and	O
toolbars	O
were	O
merged	O
into	O
a	O
single	O
element	O
called	O
header	O
bars	O
.	O
</s>
<s>
Version	O
3.18	O
introduced	O
integration	O
with	O
Google	B-Application
Drive	I-Application
and	O
GOA	O
(	O
gnome-online-accounts	O
)	O
settings	O
.	O
</s>
<s>
In	O
browser	O
mode	O
,	O
Nautilus	B-Protocol
keeps	O
a	O
history	O
of	O
visited	O
folders	O
,	O
similar	O
to	O
web	O
browsers	O
,	O
permitting	O
quick	O
revisiting	O
of	O
folders	O
.	O
</s>
<s>
Nautilus	B-Protocol
can	O
display	O
previews	O
of	O
files	O
in	O
their	O
icons	O
,	O
be	O
they	O
text	O
files	O
,	O
images	O
,	O
sound	O
or	O
video	O
files	O
via	O
thumbnailers	O
such	O
as	O
Totem	B-Language
.	O
</s>
<s>
Audio	O
files	O
are	O
previewed	O
(	O
played	O
back	O
over	O
GStreamer	B-Language
)	O
when	O
the	O
pointer	O
is	O
hovering	O
over	O
them	O
.	O
</s>
<s>
In	O
earlier	O
versions	O
,	O
Nautilus	B-Protocol
included	O
original	O
vectorized	O
icons	O
designed	O
by	O
Susan	O
Kare	O
.	O
</s>
<s>
GNOME	B-Language
Files	I-Language
relies	O
on	O
a	O
file	O
system	O
abstraction	B-Architecture
layer	I-Architecture
(	O
provided	O
by	O
GVfs	B-Language
)	O
to	O
browse	O
local	O
and	O
remote	O
file	O
systems	O
,	O
including	O
but	O
not	O
limited	O
to	O
FTP	B-Protocol
sites	O
,	O
Windows	O
SMB	B-Operating_System
shares	O
,	O
OBEX	B-General_Concept
protocol	O
(	O
often	O
implemented	O
on	O
cellphones	O
)	O
,	O
files	B-Protocol
transferred	I-Protocol
over	I-Protocol
shell	I-Protocol
protocol	I-Protocol
,	O
HTTP	B-Protocol
and	O
WebDAV	B-Protocol
and	O
SFTP	B-Protocol
servers	O
.	O
</s>
<s>
Using	O
the	O
GIO	B-Language
library	I-Language
,	O
Nautilus	B-Protocol
tracks	O
modification	O
of	O
local	O
files	O
in	O
real	O
time	O
,	O
eliminating	O
the	O
need	O
to	O
refresh	O
the	O
display	O
.	O
</s>
<s>
GIO	B-Language
internally	O
supports	O
Gamin	O
and	O
FAM	B-Application
,	O
Linux	O
's	O
inotify	B-Application
and	O
Solaris	B-Application
 '	O
File	O
Events	O
Notification	O
system	O
.	O
</s>
<s>
GNOME	B-Language
Files	I-Language
relies	O
on	O
Tracker	B-Application
(	O
formerly	O
named	O
"	O
MetaTracker	B-Application
"	O
)	O
to	O
index	O
files	O
and	O
is	O
hence	O
able	O
to	O
provide	O
fast	O
file	O
search	O
results	O
.	O
</s>
<s>
Batch	B-Application
renaming	I-Application
was	O
introduced	O
with	O
GNOME	B-Language
Files	I-Language
version	O
3.22	O
(	O
2016	O
)	O
.	O
</s>
<s>
GNOME	B-Language
Files	I-Language
version	O
3.22	O
adds	O
native	O
,	O
integrated	O
file	O
compression	O
and	O
decompression	O
.	O
</s>
<s>
.tar.gz	O
)	O
was	O
handed	O
off	O
to	O
File	B-Application
Roller	I-Application
(	O
or	O
another	O
tool	O
)	O
.	O
</s>
<s>
MIME	B-Application
types	I-Application
(	O
also	O
called	O
"	O
media	B-Application
type	I-Application
"	O
or	O
"	O
content	B-Application
type	I-Application
"	O
)	O
are	O
standardized	O
by	O
the	O
IANA	O
,	O
then	O
the	O
freedesktop.org	B-Application
project	O
takes	O
care	O
that	O
the	O
implementation	O
works	O
across	O
all	O
free	O
software	O
desktops	O
.	O
</s>
<s>
At	O
this	O
time	O
,	O
at	O
least	O
GNOME	B-Application
,	O
KDE	O
,	O
Xfce	B-Language
and	O
ROX	O
use	O
this	O
database	O
.	O
</s>
