Did you use Mac OS 8 & 9? They were awful. No proper multitasking ("cooperative"), no memory protection, crappy TCP stack, and lots more bad stuff. Things were

Did you use Mac OS 8 & 9? They were awful. No proper multitasking ("cooperative"), no memory protection, crappy TCP stack, and lots more bad stuff. Things were so bad they bought a replacement OS (NeXT) because their internal engineering had completely stuffed up. I don't think I could have gone from NeXT to MacOS 9/8.