In fact, we started off with two or three different shells and the shell had life of its own.
If you want to go somewhere, goto is the best way to get there.
I wanted to separate data from programs, because data and instructions are very different.
One is that the perfect garden can be created overnight, which it can't.
One of my most productive days was throwing away 1,000 lines of code.
I am a very bottom-up thinker.