Parallel Environment for AIX 5L V4.1
Hitchhiker's Guide

Conventions and terminology used in this book

This book uses the following typographic conventions:

Convention	Usage
bold	Bold words or characters represent system elements that you must use literally, such as: command names, file names, flag names, path names, PE component names (pdbx, for example), and subroutines.
italic	Italicized words or characters represent variable values that you must supply. Italics are also used for book titles and for general emphasis in text.
constant width	Examples and information that the system displays appear in constant-width typeface.

In addition to the highlighting conventions, this manual uses the following conventions when describing how to perform tasks.

User actions appear in uppercase boldface type. For example, if the action is to enter the poe command, this manual presents the instruction as:

ENTER

poe

Abbreviated names

The abbreviated names used in this book follow.

Short Name	Full Name
AIX	Advanced Interactive Executive
CSM	Cluster Systems Management
CSS	communication subsystem
CTSEC	cluster based security
DPCL	dynamic probe class library
dsh	distributed shell
GUI	graphical user interface
HDF	Hierarchical Data Format
IP	Internet Protocol
LAPI	Low-level Application Programming Interface
MPI	Message Passing Interface
PE	IBM Parallel Environment for AIX
PE MPI	IBM's implementation of the MPI standard for PE
PE MPI-IO	IBM's implementation of MPI I/O for PE
POE	parallel operating environment
pSeries	IBM pSeries
PSSP	IBM Parallel System Support Programs for AIX
RSCT	Reliable Scalable Cluster Technology
RISC	reduced instruction set computer
rsh	remote shell
RS/6000	IBM RS/6000
SP	IBM RS/6000 SP
STDERR	standard error
STDIN	standard input
STDOUT	standard output
US	user space