Prerequisite and Related Information

Use the AS/400 Information Center as your starting point for looking up technical information. You can access the Information Center from the AS Information Center CD-ROM (English version: SK3T-2027-01) or from one of thes Web sites:

http://www.as400.ibm.com/infocenter

http://publib.boulder.ibm.com/pubs/html/as400/infocenter.ht￿m

The AS/400 Information Center contains important topics such as logical par tioning, clustering, Java, TCP/IP, Web serving, and secured networks. It tains Internet links to Web sites such as the AS/400 Online Library and Technical Studio. Included in the Information Center is a link that des high level the differences in information between the Information Center Online Library.

For a list of related publications, see the “Bibliography” on page 439

How to Send Your Comments

Your feedback is important in helping to provide the most accurate and information. IBM welcomes any comments about this book or any other AS/4 documentation.

¹ If you prefer to send comments by mail, use the the following add

IBM Canada Ltd. Laboratory Information Development 2G/KB7/1150/TOR

1150 Eglinton Avenue East

North York, Ontario, Canada M3C 1H7

If you are mailing a readers' comment form from a country other th United States, you can give the form to the local IBM branch offi resentative for postage-paid mailing.

¹ If you prefer to send comments by FAX, use the following number:

1-416-448-6161

¹If you prefer to send comments electronically, use one of these e addresses:

Comments on books:

torrcf@ca.ibm.com

IBMLink: toribm(torrcf)

– Comments on the AS/400 Information Center:

RCHINFOC@us.ibm.com

Be sure to include the following:

¹ The name of the book.

¹ The publication number of the book.

¹ The page number or topic to which your comment applies.

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IBM AS/400 manual Prerequisite and Related Information, How to Send Your Comments

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.