Choosing a self hosted LLM to read proprietary source code: how to size the model, what context window your RPG members need, and how to build a real test set.
Legacy application modernization services price what a vendor cannot see. Build the source inventory with DSPOBJD, DSPFD and DSPPGMREF before anyone quotes.
An IBM i security audit reads objects. The evidence auditors ask for lives inside RPG source: adopted authority, field access and hard-coded credentials.
AS400 cloud migration moves the machine and leaves your RPG code unchanged. Map your copy members and dependencies before an IBM i vendor prices the work.
AS400 end of life is three separate clocks. Hardware service, IBM i release support and your last RPG developer each price a different migration project.
AS400 documentation is only useful when a developer can check it against the member. How to generate descriptions from RPG source and read the confidence flags.
