That’s fairly new, with threads and processes becoming basically the same. Historically threads didn’t exist, then they were horrifically implemented and non st

That’s fairly new, with threads and processes becoming basically the same. Historically threads didn’t exist, then they were horrifically implemented and non standard, then they standardized and were horrifically implemented, then they were better implemented but the APIs were difficult to use safely, etc etc. Also threads were much more light weight than a process. This shifted with light weight processes, etc.