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MPE/iX, Multiprogramming Executive with Integrated POSIX, is the latest in a
series of forward-compatible operating systems for the HP 3000 line of
computers.
In HP documentation and in talking with HP 3000 users, you will encounter
references to MPE XL, the direct predecessor of MPE/iX. MPE/iX is a superset
of MPE XL. All programs written for MPE XL will run without change under
MPE/iX. You can continue to use MPE XL system documentation, although it may
not refer to features added to the operating system to support POSIX (for
example, hierarchical directories).
Finally, you may encounter references to MPE V, which is the operating system
for HP 3000s not based on PA-RISC architecture. MPE V software can be run on
the PA-RISC (Series 900) HP 3000s in what is known as compatibility
mode.
The Berkeley Sockets/iX Reference Manual is written for
experienced application programmers:
- If you are an MPE/iX-based application programmer, you may want to
develop new applications for the HP 3000 that can be used on other
platforms as well.
- If you are a UNIX-based application programmer, you may want to port
existing C-based applications to the HP 3000 hardware platform.
This manual will assist application programmers in porting applications from
UNIX-based systems to MPE/iX-based systems.
The BSD sockets product was initially released on MPE/iX release 4.0. POSIX
functions were added for MPE/iX release 4.5. Additional socket functionality
has been added in release 5.0.
UNIX is a registered trademark of UNIX System Laboratories Inc. in the U.S.A.
and other countries.
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