I’ll include “TV nerds,” too, because the conclusion Tony Zhou (he of this analysis of the visual style of Edgar Wright) comes to is that, at least as far as the aesthetics of on-screen texting is concerned, Sherlock pretty much nails it. Filmmakers have not, however, cracked how to depict the Internet on-screen. It’s all incredibly interesting, at least if you’re me.
That said, on-screen UNIX? Nailed it: