<s>
Shortly	O
after	O
its	O
introduction	O
,	O
the	O
name	O
of	O
the	O
program	O
was	O
changed	O
to	O
"	O
Ami	B-Operating_System
Pro	I-Operating_System
"	O
.	O
</s>
<s>
Ami	B-Operating_System
Pro	I-Operating_System
was	O
a	O
significant	O
competitor	O
to	O
Microsoft	B-Application
Word	I-Application
and	O
WordPerfect	B-Application
Corporation	I-Application
's	O
WordPerfect	B-Application
during	O
the	O
late	O
1980s	O
and	O
early	O
1990s	O
.	O
</s>
<s>
The	O
developers	O
of	O
Ami	B-Operating_System
Pro	I-Operating_System
introduced	O
a	O
number	O
of	O
innovations	O
in	O
Ami	B-Operating_System
Pro	I-Operating_System
that	O
were	O
later	O
adopted	O
by	O
other	O
word	B-General_Concept
processors	I-General_Concept
.	O
</s>
<s>
At	O
the	O
time	O
that	O
Ami	B-Operating_System
Pro	I-Operating_System
was	O
introduced	O
,	O
the	O
word	O
processing	O
market	O
was	O
dominated	O
by	O
WordPerfect	B-Application
.	O
</s>
<s>
Both	O
Ami	B-Operating_System
Pro	I-Operating_System
and	O
Microsoft	B-Application
Word	I-Application
made	O
inroads	O
into	O
WordPerfect	B-Application
's	O
market	O
share	O
.	O
</s>
<s>
Eventually	O
Microsoft	B-Application
Word	I-Application
overtook	O
WordPerfect	B-Application
as	O
the	O
dominant	O
player	O
and	O
Ami	B-Operating_System
Pro	I-Operating_System
was	O
discontinued	O
.	O
</s>
<s>
IBM	O
,	O
the	O
present	O
owner	O
of	O
the	O
Lotus	O
brand	O
,	O
renamed	O
it	O
Lotus	B-Operating_System
Word	I-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
The	O
16-bit	B-Device
Ami	B-Operating_System
Pro	I-Operating_System
had	O
significant	O
limitations	O
,	O
most	O
notably	O
that	O
it	O
was	O
unable	O
to	O
display	O
the	O
bottom	O
of	O
one	O
page	O
and	O
the	O
top	O
of	O
the	O
next	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
The	O
limitations	O
were	O
so	O
severe	O
that	O
Lotus	O
completely	O
re-wrote	O
the	O
program	O
from	O
scratch	O
when	O
developing	O
the	O
32-bit	O
version	O
for	O
Windows	B-Application
95	I-Application
.	O
</s>
<s>
The	O
16-bit	B-Device
Ami	B-Operating_System
Pro	I-Operating_System
had	O
significant	O
benefits	O
,	O
too	O
.	O
</s>
<s>
(	O
They	O
were	O
not	O
erased	O
with	O
the	O
deletion	O
of	O
the	O
last	O
character	O
of	O
the	O
paragraph	O
as	O
they	O
are	O
with	O
Microsoft	B-Application
Word	I-Application
.	O
)	O
</s>
<s>
Ami	B-Operating_System
Pro	I-Operating_System
used	O
.SAM	O
as	O
its	O
file	O
extension	O
,	O
while	O
Lotus	B-Operating_System
Word	I-Operating_System
Pro	I-Operating_System
used	O
.LWP	B-Operating_System
.	O
</s>
