The moment you start writing apps that work with documents, you’ll need to know how to use UTIs. That requires inspired searching, guesswork, and trial and error.
Mac history
The bong has gone, without a bang or even a whimper. Why are the latest Macs mute?
What is a similar size and weight to an iPad Pro, runs for a similar time on battery, but was launched in 1987? The first proper laptop.
Among the new features of 9.1 was support for the burning of CDs in the Finder, and Finder support for switching between open windows.
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.
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 