Such information may be available, subject to appropriate

terms and

con

including in

some cases, payment

of

a fee.

 

 

The licensed

program described

in

this information and all

licensed

mate

able for it are provided by IBM under terms of the IBM Customer Ag International Program License Agreement, or any equivalent agreement betwe us.

This information contains examples of data and reports used in daily bu ations. To illustrate them as completely as possible, the examples includ names of individuals, companies, brands, and products. All of these names fictitious and any similarity to the names and addresses used by an enterprise is entirely coincidental.

Programming Interface Information

 

 

 

This publication is intended to help you create programs using RPG IV

publication documents General-Use Programming

Interface

and Associated Gui

ance Information provided by the ILE RPG

for

AS/400

compiler.

General-Use programming interfaces allow the

customer to write programs t

obtain the services of the ILE RPG for

AS/400

compiler.

Trademarks and Service

Marks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The

following

terms

are

trademarks

of

the

International

Business Machines

ration

in

the United

States,

or

other countries,

or

both:

 

 

400

 

 

 

 

 

 

 

IBM

 

 

 

 

 

 

 

 

 

 

AFP

 

 

 

 

 

 

 

IBMLink

 

 

 

 

 

 

 

 

 

 

Application

System/400

 

 

 

Integrated

Language Environment

 

 

 

AS/400

 

 

 

 

 

 

 

Operating System/400

 

 

 

 

 

 

C/400

 

 

 

 

 

 

 

OS/400

 

 

 

 

 

 

 

 

 

 

COBOL/400

 

 

 

 

 

PROFS

 

 

 

 

 

 

 

 

 

 

DB2

 

 

 

 

 

 

 

RPG/400

 

 

 

 

 

 

 

 

 

 

FORTRAN/400

 

 

 

 

 

System/36

 

 

 

 

 

 

 

 

 

 

GDDM

 

 

 

 

 

 

 

System/38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VisualAge

 

 

 

 

 

 

 

 

 

Domino

is

a

trademark

of

the

Lotus

Development

Corporation in

the

United

or other countries, or both.

 

 

 

 

 

 

 

 

 

 

Java

 

and

all Java-based trademarks and logos

are

trademarks

or

regist

marks of Sun Microsystems, Inc. in the United States and/or other count

Microsoft,

Windows,

Windows

NT,

and

the

Windows

logo are trademarks of M

soft

 

Corporation

in

the

United

States

and/or

other

countries.

 

UNIX is a registered trademark in the United States and/or other c

exclusively through X/Open Company Limited.

 

 

 

 

 

 

Other

company,

product,

and service

names

may

be

the

trademarks

or se

marks

 

of

others.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

xii ILE RPG for AS/400 Programmer's Guide

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IBM AS/400 manual Programming Interface Information, Trademarks and Service, Trademarks Or se Marks Others
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AS/400 specifications

The IBM AS/400, now known as the IBM iSeries, is a midrange computer system that has been a cornerstone of enterprise computing since its introduction in 1988. Designed to provide a robust platform for business applications, the AS/400 is celebrated for its reliability, scalability, and integrated database capabilities.

One of the key features of the AS/400 is its Integrated Operating Environment, which blends hardware and software resources seamlessly. This integration allows businesses to execute diverse workloads, ranging from traditional applications to modern web-based services, all on a single platform. The operating system, OS/400 (now IBM i), offers a rich set of APIs and tools for developers, simplifying application development and management.

Another standout characteristic of the AS/400 is its built-in database, DB2 for i. This powerful relational database management system allows for efficient data handling and provides advanced features such as support for SQL, XML, and JSON, making it easier for businesses to manage their data and integrate it with other systems. The database's tight integration with the operating system enables high performance and security.

In terms of scalability, the AS/400 can accommodate small businesses as well as large enterprises, with the ability to support hundreds of users simultaneously. Its architecture allows for easy upgrades in hardware, meaning that organizations can scale their systems without replacing the entire infrastructure.

Security is another critical attribute of the AS/400. With a sophisticated security model, it offers built-in user authentication, access control, encryption, and auditing capabilities to protect data and applications from unauthorized access.

The AS/400 also supports multiple programming languages, including RPG, COBOL, Java, and PHP, giving organizations the flexibility to choose the development tools that best fit their needs. This diversity helps maintain legacy applications while also developing new ones that leverage modern technologies.

Moreover, the platform supports both traditional green-screen interfaces and modern graphical user interfaces, allowing organizations to transition smoothly into contemporary user experience paradigms.

Overall, the IBM AS/400 stands out as a resilient, flexible, and secure computing platform that enables organizations to effectively manage their business operations, streamline processes, and adapt to changing market demands. Its unique combination of integrated features and capabilities ensures that it remains relevant in today's fast-paced technology landscape.
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