Hi,
https://www.reddit.com/r/programming/comments/bbic2e/a_fork_in_the_road/
"There are a lot of widely-used programs that rely heavily on fork semantics (shells, Postgres, etc etc), but it's hard to think of major programs created in, say, the time since epoll became widely used (early 00s) that do so."
https://www.microsoft.com/en-us/research/publication/a-fork-in-the-road/
Regards,
Jeroen Habets