<s>
Antiword	B-Operating_System
is	O
a	O
free	B-Application
software	I-Application
reader	O
for	O
proprietary	B-Application
Microsoft	B-Application
Word	I-Application
documents	O
,	O
and	O
is	O
available	O
for	O
most	O
computer	B-Device
platforms	I-Device
.	O
</s>
<s>
Antiword	B-Operating_System
can	O
convert	O
the	O
documents	O
from	O
Microsoft	B-Application
Word	I-Application
version	O
2	O
,	O
6	O
,	O
7	O
,	O
97	O
,	O
2000	O
,	O
2002	O
and	O
2003	O
to	O
plain	O
text	O
,	O
PostScript	B-Language
,	O
PDF	B-Application
,	O
and	O
XML/DocBook	O
(	O
experimental	O
)	O
.	O
</s>
<s>
The	O
Word	O
format	O
is	O
proprietary	B-Application
and	O
only	O
officially	O
supported	O
on	O
Microsoft	B-Application
Windows	I-Application
and	O
Macintosh	B-Device
operating	O
systems	O
.	O
</s>
<s>
Antiword	B-Operating_System
was	O
created	O
to	O
support	O
reading	O
this	O
format	O
on	O
these	O
systems	O
.	O
</s>
<s>
Using	O
the	O
plain	O
text	O
output	O
of	O
Antiword	B-Operating_System
,	O
a	O
Word	O
document	O
can	O
be	O
processed	O
and	O
filtered	O
using	O
shell	B-Language
scripts	I-Language
traditional	O
text	O
tools	O
such	O
as	O
diff	B-Application
and	O
grep	B-Application
.	O
</s>
