<s>
split	O
is	O
a	O
utility	O
on	O
Unix	B-Application
,	O
Plan	B-Operating_System
9	I-Operating_System
,	O
and	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
most	O
commonly	O
used	O
to	O
split	O
a	O
computer	B-Operating_System
file	I-Operating_System
into	O
two	O
or	O
more	O
smaller	O
files	O
.	O
</s>
<s>
The	O
command	B-Application
first	O
appeared	O
in	O
Version	B-Operating_System
3	I-Operating_System
Unix	I-Operating_System
and	O
is	O
part	O
of	O
the	O
X/Open	O
Portability	O
Guide	O
since	O
issue	O
2	O
of	O
1987	O
.	O
</s>
<s>
It	O
was	O
inherited	O
into	O
the	O
first	O
version	O
of	O
POSIX.1	O
and	O
the	O
Single	O
Unix	B-Application
Specification	O
.	O
</s>
<s>
The	O
version	O
of	O
split	O
bundled	O
in	O
GNU	B-Application
coreutils	I-Application
was	O
written	O
by	O
Torbjorn	O
Granlund	O
and	O
Richard	O
Stallman	O
.	O
</s>
<s>
The	O
command	B-Application
has	O
also	O
been	O
ported	O
to	O
the	O
IBM	B-Application
i	I-Application
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
command-syntax	O
is	O
:	O
</s>
<s>
The	O
files	O
are	O
typically	O
rejoined	O
using	O
a	O
utility	O
such	O
as	O
cat	B-Device
.	O
</s>
<s>
Now	O
,	O
use	O
the	O
split	O
command	B-Application
to	O
break	O
this	O
file	O
into	O
pieces	O
(	O
note	O
:	O
unless	O
otherwise	O
specified	O
,	O
split	O
will	O
break	O
the	O
file	O
into	O
1,000	O
-line	O
files	O
)	O
:	O
</s>
<s>
As	O
seen	O
above	O
,	O
the	O
split	O
command	B-Application
has	O
broken	O
the	O
original	O
file	O
(	O
keeping	O
the	O
original	O
intact	O
)	O
into	O
three	O
,	O
equal	O
in	O
number	O
of	O
lines	O
(	O
i.e.	O
,	O
1,000	O
)	O
,	O
files	O
:	O
xaa	O
,	O
xab	O
,	O
and	O
xac	O
.	O
</s>
