Knowing Enough to be Dangerous

My husband is a computer whiz. He does something so complicated at work that I don't even understand it enough to explain it.

I'm pretty good on computers. I'm much better than many people, but I know only a tiny fraction of what my husband knows.

But I can open up a computer control panel and make changes. I pull up the run box and type commands and paths in. I know different things to type in at a C prompt. I can get into a system folder.

Basically, I know enough to completely...