Note that I made a grave error of thinking before writing this article: I forgot the copy-on-write page sharing of modern Unices. I added two paragraphs to this article that should clarify the point. Thanks for your comment, Alex.
I want to show that the notion of scalability is every bit as valid when applied to programming languages as it is when applied to programs or algorithms. I'll also discuss several well-known and not so well-known programming languages from this perspective and give some concrete recommendations, as well as discuss some of the social factors which hinder progress in this field.