<s>
The	B-Application
Sleuth	I-Application
Kit	I-Application
(	O
TSK	O
)	O
is	O
a	O
library	O
and	O
collection	O
of	O
Unix	B-Application
-	O
and	O
Windows-based	O
utilities	O
for	O
extracting	O
data	O
from	O
disk	O
drives	O
and	O
other	O
storage	O
so	O
as	O
to	O
facilitate	O
the	O
forensic	O
analysis	O
of	O
computer	O
systems	O
.	O
</s>
<s>
It	O
forms	O
the	O
foundation	O
for	O
Autopsy	B-Application
,	O
a	O
better	O
known	O
tool	O
that	O
is	O
essentially	O
a	O
graphical	O
user	O
interface	O
to	O
the	O
command	B-Application
line	I-Application
utilities	O
bundled	O
with	O
The	B-Application
Sleuth	I-Application
Kit	I-Application
.	O
</s>
<s>
The	O
collection	O
is	O
open	O
source	O
and	O
protected	O
by	O
the	O
GPL	B-License
,	O
the	O
CPL	O
and	O
the	O
IPL	B-License
.	O
</s>
<s>
The	O
initial	O
development	O
was	O
done	O
by	O
Brian	O
Carrier	O
who	O
based	O
it	O
on	O
The	B-Application
Coroner	I-Application
's	I-Application
Toolkit	I-Application
.	O
</s>
<s>
The	B-Application
Sleuth	I-Application
Kit	I-Application
is	O
capable	O
of	O
parsing	O
NTFS	B-Application
,	O
FAT/ExFAT	B-Application
,	O
UFS	O
1/2	O
,	O
Ext2	B-Application
,	O
Ext3	B-Application
,	O
Ext4	B-Application
,	O
HFS	B-Application
,	O
ISO	B-Application
9660	I-Application
and	O
YAFFS2	B-Application
file	O
systems	O
either	O
separately	O
or	O
within	O
disk	O
images	O
stored	O
in	O
raw	O
(	O
dd	B-Application
)	O
,	O
Expert	O
Witness	O
or	O
AFF	O
formats	O
.	O
</s>
<s>
The	B-Application
Sleuth	I-Application
Kit	I-Application
can	O
be	O
used	O
to	O
examine	O
most	O
Microsoft	B-Application
Windows	I-Application
,	O
most	O
Apple	B-Operating_System
Macintosh	I-Operating_System
OSX	I-Operating_System
,	O
many	O
Linux	B-Application
and	O
some	O
other	O
UNIX	B-Application
computers	O
.	O
</s>
<s>
The	B-Application
Sleuth	I-Application
Kit	I-Application
can	O
be	O
used	O
via	O
the	O
included	O
command	B-Application
line	I-Application
tools	I-Application
,	O
or	O
as	O
a	O
library	O
embedded	O
within	O
a	O
separate	O
digital	O
forensic	O
tool	O
such	O
as	O
Autopsy	B-Application
or	O
log2timeline/plaso	O
.	O
</s>
<s>
Some	O
of	O
the	O
tools	O
included	O
in	O
The	B-Application
Sleuth	I-Application
Kit	I-Application
include	O
:	O
</s>
<s>
ils	O
lists	O
all	O
metadata	O
entries	O
,	O
such	O
as	O
an	O
Inode	B-Application
.	O
</s>
<s>
blkls	O
displays	O
data	O
blocks	O
within	O
a	O
file	B-Application
system	I-Application
(	O
formerly	O
called	O
dls	O
)	O
.	O
</s>
<s>
fls	O
lists	O
allocated	O
and	O
unallocated	O
file	O
names	O
within	O
a	O
file	B-Application
system	I-Application
.	O
</s>
<s>
fsstat	O
displays	O
file	B-Application
system	I-Application
statistical	O
information	O
about	O
an	O
image	O
or	O
storage	O
medium	O
.	O
</s>
<s>
mactime	O
creates	O
a	O
timeline	O
of	O
all	O
files	O
based	O
upon	O
their	O
MAC	B-Application
times	I-Application
.	O
</s>
<s>
disk_stat	O
(	O
currently	O
Linux-only	O
)	O
discovers	O
the	O
existence	O
of	O
a	O
Host	O
Protected	O
Area	O
.	O
</s>
