RE: PDM Default Options, F18. Where are they stored, how to retrieve them in an RPG program.

>My philosophy is that all data resides in a 
>file somewhere.  

In the system side of the world, very little data lives in files.

>1) what could have pointed me toward the 
>   dmpsysobj *cmd, and 

An extremely high curiosity level is what moved me in that direction.

>2) what would have told me how to interpret it?

Looking at many dumps, comparing them to different user's profiles, the MI
Reference manual (for the MI instructions)
http://publib.boulder.ibm.com/iseries/v5r1/ic2924/tstudio/tech_ref/mi/index.
htm and Leif's e-book http://www.iseries400.org/index.html

In general, system exploration outside of published APIs is not documented
anywhere except in the notebooks of those poking around.  Any time you see
MI, you'll be writing a notebook of your own.
  --buck