Data queues are a type of system object (type *DTAQ) that you can create and maintain using OS/400 commands and APIs. They provide a means of fast asynchronous
Subfiles are specified in DDS for a display file to allow you to handle multiple records, same type on the display. A subfile is a group of records read/written to a display.
Many examples/tips to make programming on the IBM system i much more enjoyable. These tips written in RPGLE, SQLRPGLE, CLLE are free to use and modify as see fit.
Various examples of using SQL on IBM system i - DB2 tables. This section includes both stand alone examples and embedded within SQLRPGLE & CLLE using QSHELL.
This section provides introductory, conceptual, and guidance information about how to use OS/400 application programming interfaces (APIs) with your application programs.
Qshell is a command environment based on POSIX and X/Open standards made up of the shell interpreter (or qsh) and QSHELL utilities (or commands)
The integrated file system is a part of OS/400© that lets you support stream input/output and storage management similar to personal computer and UNIX© operating systems
When I was a young programmer, there existed a group of people known as Operators.... They were responsible for keeping the OS updated, Monitoring the system for errors, printing
Fun With Dates
Add or subtract a duration in years, months, days, hours, minutes, seconds, or microseconds Determine the duration between two dates,
Read Outq - QUSLSPL
This program reads multiple outqueues from an Iseries table. Then performs some action on the spooled files. Uses IBM system
User Spaces
One of the more powerful tools for iSeries programmers is the user space. Many IBM list APIs use a user
Find source members
Pass a member name and a subfile will display *ALL copies of this source across the entire system.. (If authorized
PSDS/INFDS
A file information data structure (INFDS) can be defined for each file to make file exception/error and file feedback information
AFP print files
This example program is a very basic project tracking application. I think the most useful part of this example is