In fact, we started off with two or three different shells and the shell had life of its own.
No amount of source-level verification or scrutiny will protect you from using untrusted code.
A well installed microcode bug will be almost impossible to detect.
I wanted to have virtual memory, at least as it's coupled with file systems.
So maybe I can go back to being a Gardeners' World addict again.
I don't think there are many people up in research who have strong ideas about things that they haven't really had experience with.