01 - AS/400 Basics & Terminologies

Basics

1. AS/400: Originally named “Application System/400,” it is a multiuser, multitasking system designed for industries requiring secure data storage and processing.
2. Integrated DB2 Database: Comes with an integrated DB2 database management system.
3. Menu-Driven Interfaces: User-friendly menu-driven interfaces for ease of use.
4. Multi-User Support: Supports multiple users simultaneously.
5. Security: High levels of security for sensitive data.
6. Client-Server and Web-Based Applications: Capable of running client-server and web-based applications.
7. Programming Languages: Supports various programming languages including RPG, C, C++, Java, SQL, and more.

Terminologies

1. OS/400: The original operating system for AS/400, later renamed to i5/OS and then IBM i.
2. iSeries: The rebranded name for AS/400, introduced in 2000.
3. System i: The name given to AS/400 in 2006.
4. Power Systems: The unified name for System i and System p, introduced in 2008.
5. LPAR (Logical Partitioning): A feature introduced in OS/400 Version 4, allowing multiple operating systems to run simultaneously on one IBM System i unit.
6. Single-Level Storage: Provides contiguous memory between main storage and disk storage.
7. Object Orientation: Everything stored or retrieved on the system is treated as an object, adding extra security.

Applications

The AS/400 is widely used in industries such as pharmaceuticals, banking, manufacturing, distribution, and e-commerce due to its robustness and security features.

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