> grep (global regular expression print), awk (Aho, Weinberger, Kernighan; the creators’ initials), sed (stream editor), cat (concatenate), diff (difference). Even when abbreviated, these names were either functional descriptions or systematic derivations. If you asked someone unfamiliar with unix tools what they thought each of these commands did, diff is the only one which they would have even the slightest chance…
As a complete outsider it always seemed like the plot had never yet been found to begin with . . .