MPE/iX Glossary of Terms and Acronyms (32650-90887)

5
Preface
This manual is written to serve a wide range of users of the MPE/iX documentation set,
from the occasional MPE/iX user, to the experienced system manager.
NOTE 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 the 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 information in this manual is presented as follows:
• Chapter 1 of this book contains a glossary of terms defining many Hewlett-Packard
specific and industry-wide terms. In some cases, there may be references to terms
associated with a previous Hewlett-Packard operating system, MPE V. Those terms are
only useful to MPE V users who have migrated to MPE/iX.
• Many acronyms and abbreviations are used in discussing computer products and
processes. Chapter 2 of this book provides a list of acronyms and abbreviations and
identifies the meaning for each (the complete definition of each is provided in the
Glossary of Terms, chapter 1).