<s>
Unraid	B-Application
is	O
a	O
proprietary	B-Application
Linux-based	O
operating	B-General_Concept
system	I-General_Concept
designed	O
to	O
run	O
on	O
home	O
media	B-Application
server	I-Application
setups	O
that	O
operates	O
as	O
a	O
network-attached	B-Application
storage	I-Application
device	O
,	O
application	B-Application
server	I-Application
,	O
and	O
virtualization	B-General_Concept
host	O
.	O
</s>
<s>
Unraid	B-Application
is	O
proprietary	B-Application
software	I-Application
developed	O
and	O
maintained	O
by	O
Lime	O
Technology	O
,	O
Inc	O
.	O
Users	O
of	O
the	O
software	O
are	O
encouraged	O
to	O
write	O
and	O
use	O
plugins	B-Application
and	O
Docker	B-Language
applications	O
to	O
extend	O
the	O
functionality	O
of	O
their	O
systems	O
.	O
</s>
<s>
Unraid	B-Application
's	O
primary	O
feature	O
is	O
the	O
ability	O
to	O
easily	O
create	O
and	O
manage	O
RAID	B-Architecture
arrays	I-Architecture
in	O
hardware-agnostic	O
ways	O
,	O
allowing	O
users	O
to	O
use	O
nearly	O
any	O
combination	O
of	O
hard	B-Device
drives	I-Device
to	O
create	O
an	O
array	O
,	O
regardless	O
of	O
model	O
,	O
capacity	O
,	O
or	O
connection	O
type	O
.	O
</s>
<s>
Since	O
Unraid	B-Application
saves	O
data	O
to	O
individual	O
drives	O
rather	O
than	O
spreading	O
single	O
files	O
out	O
over	O
multiple	O
drives	O
,	O
users	O
can	O
create	O
shares	O
,	O
which	O
are	O
groups	O
of	O
files	O
that	O
can	O
be	O
written	O
to	O
multiple	O
drives	O
(	O
as	O
determined	O
by	O
the	O
user	O
or	O
system	O
)	O
and	O
allow	O
easy	O
access	O
and	O
management	O
by	O
users	O
.	O
</s>
<s>
Unraid	B-Application
also	O
allows	O
users	O
to	O
create	O
Docker	B-Language
containers	O
or	O
virtual	O
machines	O
to	O
host	O
applications	O
on	O
the	O
system	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
user	O
could	O
use	O
a	O
pre-made	O
Docker	B-Language
container	O
to	O
host	O
applications	O
such	O
as	O
Plex	B-Application
,	O
Jellyfin	B-Application
,	O
and	O
others	O
.	O
</s>
<s>
Unraid	B-Application
's	O
user	B-License
license	I-License
is	O
attached	O
to	O
a	O
specific	O
USB	O
flash	O
drive	O
,	O
which	O
may	O
be	O
linked	O
to	O
a	O
user	O
's	O
forum	O
account	O
.	O
</s>
<s>
Unraid	B-Application
is	O
based	O
on	O
Linux	B-Application
Slackware	B-Application
.	O
</s>
<s>
Supported	O
filesystems	O
:	O
XFS	B-Application
,	O
Btrfs	B-Operating_System
and	O
ReiserFS	B-Application
.	O
</s>
<s>
ReiserFS	B-Application
is	O
only	O
for	O
legacy	O
reasons	O
and	O
for	O
backward	O
compatibility	O
,	O
and	O
as	O
a	O
main-rule	O
,	O
should	O
n't	O
be	O
used	O
on	O
new	O
implementations	O
.	O
</s>
<s>
Unraid	B-Application
does	O
n't	O
use	O
RAID	B-Architecture
,	O
that	O
is	O
it	O
does	O
n't	O
stripe	O
data	O
over	O
all	O
disks	O
in	O
the	O
array	O
,	O
instead	O
,	O
it	O
creates	O
data	O
redundancy	O
by	O
using	O
parity	O
drive(s )	O
.	O
</s>
