ok, just to clarify…
If you are working with the NaturalONE CE version, setting the environment-variables NWO_NCOLUMNS & NWO_NROWS on your local PC that NaturalONE CE is executing on works fine. This is because everything, including the Natural Web I/O server is running locally on the PC.
However, once you start working with the Full edition, normally you will be connecting to a server, either mainframe or LUW, and Natural Web I/O will be running on the server. As you correctly point out, the line size and page size would have to be set on the server Web I/O instance, with no easy way for a programmer to specify that when connecting.
I’m glad you were able to find an admin who would set up a separate Web I/O instance for your report parameters. That must be what the LUW configuration utility I read about is for.
Congratulations! Happy computing.