<s>
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
UNIX	I-Protocol
is	O
a	O
discontinued	O
version	O
of	O
the	O
Internet	B-Application
Explorer	I-Application
graphical	B-Application
web	B-Application
browser	I-Application
that	O
was	O
available	O
free	O
of	O
charge	O
and	O
produced	O
by	O
Microsoft	O
for	O
use	O
in	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
on	O
Solaris	B-Application
or	O
HP-UX	B-Application
.	O
</s>
<s>
Development	O
ended	O
with	O
a	O
version	O
of	O
Internet	B-Protocol
Explorer	I-Protocol
5	I-Protocol
in	O
2001	O
and	O
support	O
for	O
it	O
was	O
completely	O
discontinued	O
in	O
2002	O
.	O
</s>
<s>
In	O
May	O
1996	O
,	O
it	O
was	O
reported	O
that	O
Steven	O
Guggenheimer	O
confirmed	O
that	O
they	O
were	O
looking	O
into	O
porting	O
Internet	B-Application
Explorer	I-Application
to	O
run	O
on	O
UNIX-like	O
platforms	O
,	O
but	O
were	O
looking	O
into	O
how	O
exactly	O
it	O
should	O
be	O
done	O
.	O
</s>
<s>
It	O
was	O
further	O
reported	O
that	O
Steve	O
Ballmer	O
,	O
then	O
executive	O
vice	O
president	O
of	O
Microsoft	O
,	O
had	O
shown	O
an	O
interest	O
earlier	O
in	O
the	O
month	O
for	O
a	O
Microsoft	O
browser	B-Application
to	O
run	O
on	O
Unix	O
as	O
part	O
of	O
the	O
strategy	O
to	O
wage	O
the	O
browser	B-Application
wars	I-Application
:	O
</s>
<s>
In	O
pursuit	O
of	O
a	O
larger	O
share	O
of	O
the	O
mammoth	O
browser	B-Application
market	O
,	O
Microsoft	O
has	O
been	O
dealing	O
with	O
PC	O
and	O
workstation	B-Device
makers	O
to	O
have	O
its	O
IE	B-Application
browser	I-Application
bundled	O
with	O
newly	O
shipping	O
hardware	B-Architecture
.	O
</s>
<s>
Ballmer	O
hinted	O
,	O
however	O
,	O
that	O
not	O
having	O
a	O
Unix	O
browser	B-Application
was	O
posing	O
an	O
obstacle	O
to	O
this	O
OEM-based	O
strategy	O
to	O
try	O
and	O
catch	O
up	O
with	O
No	O
.	O
</s>
<s>
1	O
browser	B-Application
maker	O
Netscape	O
Communications	O
Corp.	O
,	O
which	O
holds	O
some	O
85	O
percent	O
of	O
the	O
worldwide	O
browser	B-Application
market	O
with	O
its	O
Navigator	B-Protocol
product	O
line	O
.	O
</s>
<s>
"	O
We	O
might	O
just	O
have	O
to	O
get	O
one	O
of	O
those	O
"	O
,	O
Ballmer	O
said	O
of	O
a	O
Unix-based	O
browser	B-Application
.	O
</s>
<s>
In	O
June	O
,	O
Microsoft	O
entered	O
into	O
a	O
contract	O
with	O
Bristol	O
Technology	O
to	O
develop	O
a	O
version	O
of	O
Bristol	O
's	O
porting	O
application	B-Application
to	O
port	O
IE	O
for	O
Windows	O
to	O
Unix	O
.	O
</s>
<s>
The	O
project	O
was	O
officially	O
announced	O
by	O
Microsoft	O
at	O
the	O
end	O
of	O
July	O
1996	O
that	O
a	O
native	O
version	O
of	O
IE	O
for	O
"	O
Solaris	B-Application
and	O
other	O
popular	O
variants	O
of	O
UNIX	O
"	O
would	O
be	O
finished	O
by	O
the	O
end	O
of	O
the	O
year	O
,	O
which	O
would	O
have	O
"	O
equivalent	O
functionality	O
as	O
that	O
provided	O
in	O
Microsoft	B-Application
Internet	I-Application
Explorer	I-Application
3.0	O
"	O
,	O
thus	O
"	O
delivering	O
on	O
its	O
commitment	O
to	O
provide	O
full-featured	O
Web	B-Application
browser	I-Application
support	O
on	O
all	O
major	O
operating	O
system	O
platforms	O
"	O
as	O
well	O
as	O
"	O
supporting	O
and	O
promoting	O
open	O
standards	O
,	O
including	O
HTML	B-Language
,	O
ActiveX	B-Application
and	O
Java	B-Language
"	O
.	O
</s>
<s>
However	O
,	O
following	O
a	O
dispute	O
in	O
March	O
1997	O
concerning	O
each	O
other	O
's	O
performance	O
and	O
because	O
of	O
contract	O
negotiations	O
with	O
Bristol	O
to	O
access	O
Windows	O
source	O
code	O
after	O
September	O
1997	O
failing	O
,	O
Microsoft	O
reversed	O
course	O
and	O
decided	O
to	O
directly	O
port	O
the	O
Windows	O
version	O
in-house	O
using	O
the	O
XDE	O
(	O
eXtended	O
Development	O
Environment	O
)	O
application	B-Application
from	O
Mainsoft	O
,	O
the	O
main	O
competitor	O
to	O
Bristol	O
Technology	O
.	O
</s>
<s>
(	O
Microsoft	O
would	O
later	O
also	O
use	O
MainWin	O
to	O
port	O
Windows	B-Device
Media	I-Device
Player	I-Device
and	O
Outlook	B-Application
Express	I-Application
to	O
Unix	O
.	O
)	O
</s>
<s>
Now	O
well	O
behind	O
schedule	O
,	O
the	O
3.0	O
branch	O
was	O
apparently	O
scrapped	O
in	O
favor	O
of	O
4.0	O
(	O
that	O
was	O
released	O
for	O
Windows	O
half	O
a	O
year	O
earlier	O
)	O
,	O
which	O
used	O
the	O
new	O
MSHTML	B-Application
(	O
Trident	B-Application
)	O
browser	B-Protocol
engine	I-Protocol
.	O
</s>
<s>
A	O
beta	O
of	O
the	O
Solaris	B-Application
version	O
was	O
made	O
available	O
on	O
November	O
5	O
,	O
1997	O
,	O
with	O
a	O
final	O
version	O
expected	O
by	O
March	O
1998	O
.	O
</s>
<s>
Tod	O
Nielsen	O
,	O
general	O
manager	O
of	O
Microsoft	O
's	O
developer	O
relations	O
group	O
,	O
jokingly	O
declared	O
that	O
he	O
wanted	O
to	O
hold	O
the	O
launch	O
of	O
the	O
browser	B-Application
at	O
the	O
Ripley	O
's	O
Believe	O
It	O
or	O
Not	O
museum	O
in	O
San	O
Francisco	O
due	O
to	O
the	O
skepticism	O
by	O
those	O
who	O
believed	O
the	O
project	O
was	O
vaporware	B-Application
.	O
</s>
<s>
It	O
was	O
further	O
reported	O
that	O
versions	O
for	O
HP-UX	B-Application
,	O
IBM	B-Application
AIX	I-Application
,	O
and	O
Irix	B-Operating_System
were	O
planned	O
(	O
note	O
that	O
at	O
the	O
time	O
MainWin	O
XDE	O
3.0	O
was	O
only	O
available	O
for	O
the	O
"	O
Solaris	B-Application
SPARC	B-Architecture
2.51	O
platform	O
"	O
,	O
but	O
MainWin	O
XDE	O
2.1	O
was	O
"	O
available	O
on	O
Solaris	B-Application
SPARC	B-Architecture
2.51	O
,	O
Solaris	B-Application
Intel	O
5.5.1	O
,	O
SunOS	O
4.1.4	O
,	O
Irix	B-Operating_System
5.3	O
,	O
Irix	B-Operating_System
6.2	O
,	O
HP	B-Application
UX	I-Application
10.2	O
and	O
IBM	B-Application
AIX	I-Application
4.1.5	O
"	O
.	O
)	O
</s>
<s>
IE	O
4.0	O
for	O
Unix	O
on	O
Solaris	B-Application
was	O
released	O
on	O
March	O
4	O
,	O
1998	O
.	O
</s>
<s>
Later	O
that	O
year	O
a	O
version	O
for	O
HP-UX	B-Application
was	O
released	O
.	O
</s>
<s>
1999	O
IE	O
5.0	O
for	O
Unix	O
on	O
Solaris	B-Application
and	O
HP-UX	B-Application
released	O
.	O
</s>
<s>
2001	O
IE	O
5.0	O
for	O
Unix	O
Service	O
Pack	O
1	O
released	O
for	O
Solaris	B-Application
and	O
HP-UX	B-Application
.	O
</s>
<s>
"	O
Internet	B-Protocol
Explorer	I-Protocol
5	I-Protocol
for	O
UNIX	O
supports	O
most	O
of	O
the	O
features	O
and	O
technologies	O
of	O
Internet	B-Application
Explorer	I-Application
for	O
Windows	O
,	O
but	O
also	O
differs	O
in	O
some	O
respects	O
.	O
</s>
<s>
For	O
example	O
,	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
UNIX	I-Protocol
does	O
not	O
support	O
downloadable	O
ActiveX	B-Application
controls	I-Application
or	O
browsing	O
and	O
organizing	O
your	O
local	O
files	O
and	O
folders	O
within	O
the	O
browser	B-Application
window	O
.	O
</s>
<s>
Other	O
unsupported	O
features	O
include	O
filters/transitions	O
in	O
CSS	O
,	O
the	O
DHTML	O
Editing	O
component	O
,	O
and	O
HTML	B-Language
Applications	O
(	O
HTAs	O
)	O
.	O
</s>
<s>
 [ ... ] 	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
UNIX	I-Protocol
offers	O
some	O
features	O
not	O
found	O
on	O
the	O
Windows	O
version	O
as	O
well	O
,	O
such	O
as	O
Emacs-style	O
keyboard	O
shortcuts	O
and	O
external	O
program	O
associations.	O
"	O
</s>
<s>
"	O
The	O
User	B-Protocol
Agent	I-Protocol
String	O
for	O
Internet	B-Protocol
Explorer	I-Protocol
5	I-Protocol
is	O
static	O
except	O
for	O
the	O
third	O
field	O
which	O
depends	O
on	O
the	O
Operating	O
System	O
and	O
the	O
processor	O
you	O
are	O
using	O
.	O
</s>
<s>
Here	O
are	O
some	O
common	O
configurations	O
and	O
the	O
user	B-Protocol
agent	I-Protocol
strings	O
generated	O
by	O
Internet	B-Application
Explorer	I-Application
on	O
these	O
platforms	O
:	O
"	O
</s>
<s>
The	O
homepage	O
for	O
IE	O
for	O
Unix	O
was	O
removed	O
from	O
Microsoft	O
's	O
website	O
in	O
the	O
third	O
quarter	O
of	O
2002	O
without	O
explanation	O
,	O
replaced	O
with	O
the	O
message	O
:	O
"	O
We	O
sincerely	O
apologize	O
,	O
but	O
Internet	B-Application
Explorer	I-Application
technologies	O
for	O
UNIX	O
are	O
no	O
longer	O
available	O
for	O
download.	O
"	O
</s>
<s>
Microsoft	O
's	O
Internet	B-Protocol
Explorer	I-Protocol
for	I-Protocol
Mac	I-Protocol
OS	I-Protocol
X	I-Protocol
was	O
the	O
last	O
browser	B-Application
the	O
company	O
released	O
for	O
a	O
UNIX-related	O
platform	O
until	O
the	O
release	O
of	O
Microsoft	B-Application
Edge	I-Application
for	O
macOS	O
and	O
Linux	O
in	O
2020	O
.	O
</s>
