Create Library and Source Physical Files

Although most system functions can be invoked directly by using CL commands, it is generally easier for novice users to take menu paths to describe the task to perform and then let the system choose for appropriate command. For example, let’s use the menu path to create a library. If you entered a 4 (for […]

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Overview of IBM green screen (5250 Terminal)

The 5250 terminal emulator, or green screen, is your interface when working with an AS/400. Here is its main menu. Here are some general guidelines about working with this screen: If you enter an illegal keystroke, a red XII appears, as shown in the screen above. Press the Ctrl key to clear it. To use function […]

Overview of AS/400 vs PC

If you aren’t familiar with the AS/400, don’t worry. It is a server and, like any server, you can configure it. You simply need to learn the basics of AS/400 syntax and AS/400 system architecture with respect to jargon in PCs. Understanding AS/400 syntax and jargon The AS/400 operating system is called OS/400. The version […]

System Values in AS/400

Why System Values On the iSeries, all user and system data structures are held in objects (files, folders, libraries,menus, programs, user profiles, etc.). It is possible to see in the objects only via their defined interfaces. iSeries operates on object-level security. The iSeries comes with four major operating system components: Integrated Communications, Integrated Database, Integrated […]

AS400 Control Language

The AS/400 Control Language (CL) is a scripting language for the IBM AS/400 mid range platform bearing a resemblance to the IBM Job Control Language and consisting of an ever-expanding set of command objects (*CMD) used to invoke traditional AS/400 programs and/or get help on what those programs do. CL can also be used to […]