macOS Sierra it is then – but why did Apple choose those names?
Mac OS 8
Back in the days of Mac OS 8, it was unusual to use virtual memory. This is how we coped.
In comparison with OS X, Mac OS 8 and 9 were tiny and simple. Installing or replacing a component was a minor task; here is how we did it.
A friend is giving me a Mac LC 475, but when it is powered up the display shows a white floppy disk with a flashing ? against it. What does that mean?
With Mac OS 8 and 9 back in 2001, we had to performance routine maintenance to keep the Desktop working. This is how we did it.
Step-by-step instructions for setting up a dial-up Internet connection under Mac OS 8 or 9.
The Eclectic Light Company 