And now for something COMPLETELY different:
Linux booting *inside* a PDF file. (Uses embedded JS to run a RISCV emulator and boot Linux to a command line prompt):
https://github.com/ading2210/linuxpdf?tab=readme-ov-file
https://www.theregister.com/2025/02/16/dev_linux_pdf/?td=rt-3a
@cstross This reminds me of the guy who stuck an LLM inside a font. Actually, there is more than one guy who has done this.
https://www.youtube.com/watch?v=Y65FRxE7uMc
(this explains how he uses the LLM to rewrite your text using synonyms so as to achieve pleasing justified text without use of hyphenation).
https://fuglede.github.io/llama.ttf/
(this does more conventional predictive text stuff as you type.
I'm not sure what happens when you typeset your PDF-containing-Linux in a typeface-containing-an-LLM, but I'm pretty sure I don't want to be there when it happens.
