<s>
Smartmontools	B-Language
(	O
S.M.A.R.T.	O
</s>
<s>
Monitoring	O
Tools	O
)	O
is	O
a	O
set	O
of	O
utility	B-Application
programs	I-Application
(	O
smartctl	B-Language
and	O
smartd	O
)	O
to	O
control	O
and	O
monitor	O
computer	O
storage	B-Device
systems	O
using	O
the	O
Self-Monitoring	O
,	O
Analysis	O
and	O
Reporting	O
Technology	O
(	O
S.M.A.R.T.	O
)	O
</s>
<s>
system	O
built	O
into	O
most	O
modern	O
(	O
P	O
)	O
ATA	O
,	O
Serial	O
ATA	O
,	O
SCSI/SAS	O
and	O
NVMe	B-Application
hard	B-Device
drives	I-Device
.	O
</s>
<s>
Smartmontools	B-Language
displays	O
early	O
warning	O
signs	O
of	O
hard	B-Device
drive	I-Device
problems	O
detected	O
by	O
S.M.A.R.T.	O
,	O
often	O
giving	O
notice	O
of	O
impending	O
failure	O
while	O
it	O
is	O
still	O
possible	O
to	O
back	O
data	O
up	O
.	O
</s>
<s>
From	O
late	O
2010	O
ATA	B-Device
Error	I-Device
Recovery	I-Device
Control	I-Device
configuration	O
has	O
been	O
supported	O
by	O
Smartmontools	B-Language
,	O
allowing	O
it	O
to	O
configure	O
many	O
desktop-and	O
laptop-class	O
hard	B-Device
drives	I-Device
for	O
use	O
in	O
a	O
RAID	O
array	O
and	O
vice	O
versa	O
.	O
</s>
<s>
Most	O
Linux	B-Application
distributions	I-Application
provide	O
the	O
smartmontools	B-Language
package	O
.	O
</s>
<s>
smartctl	B-Language
and	O
smartd	O
have	O
a	O
command-line	B-Application
interface	I-Application
.	O
</s>
<s>
By	O
default	O
the	O
output	O
of	O
smartctl	B-Language
is	O
in	O
human	O
readable	O
form	O
;	O
to	O
aid	O
logic	O
trying	O
to	O
parse	O
this	O
output	O
,	O
JSON	O
output	O
is	O
also	O
available	O
.	O
</s>
<s>
is	O
an	O
open-source	B-Application
multi-platform	B-Operating_System
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
for	O
smartctl	B-Language
developed	O
by	O
Alexander	O
Shaduri	O
.	O
</s>
<s>
SMART	O
Utility	O
is	O
a	O
program	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
with	O
a	O
GUI	B-Application
based	O
on	O
smartmontools	B-Language
.	O
</s>
<s>
HDD	O
Guardian	O
was	O
an	O
open-source	B-Application
Windows-only	O
GUI	B-Application
for	O
smartctl	B-Language
,	O
discontinued	O
on	O
28	O
April	O
2017	O
.	O
</s>
