<s>
Everything	O
is	O
a	O
freeware	B-License
desktop	B-Application
search	I-Application
utility	O
for	O
Windows	B-Application
that	O
can	O
rapidly	O
find	O
files	O
and	O
folders	O
by	O
name	O
.	O
</s>
<s>
While	O
the	O
binaries	O
are	O
licensed	O
under	O
a	O
permissive	B-License
license	I-License
,	O
it	O
is	O
not	O
open-source	B-License
.	O
</s>
<s>
When	O
Everything	O
first	O
runs	O
,	O
it	O
creates	O
an	O
index	O
of	O
the	O
names	O
of	O
every	O
file	O
and	O
folder	O
on	O
all	O
NTFS	B-Application
and	O
ReFS	B-Application
volumes	O
on	O
the	O
system	O
from	O
file	O
metadata	O
,	O
in	O
the	O
case	O
of	O
NTFS	B-Application
from	O
the	O
NTFS	B-Application
Master	O
File	O
Table	O
.	O
</s>
<s>
By	O
default	O
,	O
all	O
mounted	O
NTFS	B-Application
and	O
ReFS	B-Application
volumes	O
are	O
indexed	O
.	O
</s>
<s>
Once	O
created	O
,	O
the	O
index	O
is	O
continually	O
updated	O
by	O
the	O
application	O
;	O
in	O
the	O
case	O
of	O
NTFS	B-Application
the	O
updates	O
are	O
fetched	O
from	O
the	O
NTFS	B-Application
change	I-Application
journal	I-Application
.	O
</s>
<s>
Specific	O
folders	O
on	O
any	O
file	O
system	O
can	O
also	O
be	O
added	O
to	O
the	O
index	O
,	O
but	O
the	O
indexing	O
of	O
folders	O
not	O
using	O
NTFS	B-Application
or	O
ReFS	B-Application
will	O
be	O
slow	O
,	O
although	O
searching	O
using	O
the	O
completed	O
index	O
will	O
not	O
be	O
.	O
</s>
<s>
Regardless	O
of	O
the	O
file	O
system	O
used	O
on	O
the	O
indexed	O
drives	O
and	O
folders	O
,	O
Everything	O
searches	O
its	O
index	O
for	O
file	O
names	O
matching	O
a	O
user	O
search	O
expression	O
,	O
which	O
may	O
be	O
a	O
fragment	O
of	O
the	O
target	O
file	O
name	O
or	O
a	O
regular	B-Language
expression	I-Language
,	O
displaying	O
intermediate	O
and	O
immediate	O
results	O
as	O
the	O
search	O
term	O
is	O
entered	O
.	O
</s>
<s>
Since	O
Everything	O
does	O
not	O
index	O
content	O
and	O
,	O
for	O
NTFS	B-Application
drives	O
,	O
relies	O
only	O
on	O
the	O
NTFS	B-Application
change	I-Application
journal	I-Application
to	O
filter	O
file	O
updates	O
,	O
the	O
only	O
file	O
system	O
activity	O
it	O
requires	O
on	O
NTFS	B-Application
drives	O
is	O
updating	O
its	O
index	O
,	O
and	O
it	O
uses	O
very	O
little	O
memory	O
and	O
processor	O
time	O
to	O
provide	O
its	O
service	O
when	O
only	O
indexing	O
NTFS	B-Application
and	O
ReFS	B-Application
drives	O
.	O
</s>
<s>
Take	B-Application
Command	I-Application
Console	I-Application
incorporates	O
the	O
internal	O
command	O
everything	O
to	O
allow	O
command	O
line	O
access	O
to	O
the	O
program	O
.	O
</s>
<s>
Because	O
Everything	O
requires	O
access	O
to	O
the	O
NTFS	B-Application
change	I-Application
journal	I-Application
,	O
it	O
must	O
run	O
with	O
administrator	O
privileges	O
,	O
either	O
in	O
a	O
privileged	O
user	O
account	O
or	O
as	O
a	O
Windows	B-Application
service	O
.	O
</s>
<s>
As	O
a	O
Windows	B-Application
service	O
it	O
can	O
expose	O
search	O
functionality	O
to	O
accounts	O
without	O
administrator	O
privileges	O
.	O
</s>
<s>
These	O
alternative	O
and	O
also	O
free	O
search	O
engines	O
use	O
the	O
same	O
technique	O
of	O
reading	O
the	O
NTFS	B-Application
index	O
directly	O
:	O
</s>
