<s>
Mentat	B-Protocol
Portable	I-Protocol
Streams	I-Protocol
(	O
MPS	O
)	O
was	O
a	O
platform	B-Operating_System
independent	I-Operating_System
implementation	O
of	O
the	O
UNIX	B-Operating_System
System	I-Operating_System
V	I-Operating_System
STREAMS	I-Operating_System
networking	O
protocol	B-Protocol
stack	I-Protocol
,	O
normally	O
sold	O
with	O
the	O
Mentat	O
TCP	B-Protocol
stack	I-Protocol
providing	O
TCP/IP	B-Protocol
support	O
.	O
</s>
<s>
Portable	O
Streams	B-Operating_System
was	O
used	O
in	O
a	O
number	O
of	O
commercial	O
products	O
,	O
including	O
Apple	O
Computer	O
's	O
Open	B-Protocol
Transport	I-Protocol
,	O
AIX	B-Application
,	O
VxWorks	B-Operating_System
,	O
Palm	B-Operating_System
OS	I-Operating_System
's	O
Cobalt	O
,	O
Novell	O
's	O
UnixWare	B-Operating_System
and	O
other	O
systems	O
.	O
</s>
<s>
Mentat	O
also	O
ported	O
the	O
system	O
to	O
Linux	B-Application
and	O
Windows	B-Device
NT	I-Device
as	O
a	O
standalone	O
product	O
.	O
</s>
<s>
Portable	O
Streams	B-Operating_System
was	O
written	O
by	O
Mentat	O
,	O
who	O
was	O
purchased	O
by	O
Packeteer	O
in	O
2004	O
.	O
</s>
