Believe it or not, there are a few features of RSE that I do not use on a daily basis. When working on my own system, my own projects, and my own development environment, I know where everything is and how to navigate it.

But (and I know you are going to find this hard to believe) there are some people who do not share my views on such things as where sources should be kept and, even more shockingly, I have to adapt to their standards when I am working on their systems. Is there no justice?

Here are

ACME Software has just released version 1.0 of the DWIM (Do What I Mean) utility. Placing the DWIM command in your CL programs (or calling the program counterpart from programs written in other languages) will solve all your problems, because the computer will stop doing what you tell it to do and do what you intended for it to do instead. Before you start adding calls to DWIM to your programs, you might want to ponder a few questions.

• What if ACME Software goes out of business and stops supporting DWIM?
• What if a competitor comes out with something even

Our management has our operators apply cumulative PTFs (CUME) with no regard to when the system will be IPLed. They load the CUME, and the system may not be IPLed until a few weeks later. The managers believe that no PTFs are applied until after the IPL. I think that some PTFs are applied immediately, while others wait for the IPL. What’s the real story on how PTFs are applied?

–Dave

This is an interesting question. For most shops, PTFs aren’t usually applied until you IPL the system. But in some situations, eligible CUME PTFs can be applied immediately, depending