How to connect to the internet in Mac OS 8.6 in 2001, using a dial-up modem.
Mac OS 9
For a while, most users worked in Mac OS 8.6, 9.0 was new and a beast, and there was also the Public Beta of Mac OS X. So how did we manage memory then?
In Classic Mac OS, icons were determined by hidden databases. Here’s what we had to do periodically to keep them from breaking.
Before you update to macOS Ventura 13.3, step through these instructions for upgrading to Mac OS 9.1 from January 2001.
ResEdit changed what was in the resource fork. With Mac OS X, Apple moved away from forks to extended attributes, now used for quarantine flags and more.
The Desktop and Finder illusions rely on files having a type and creator, and an icon association. These were kept in the Desktop Database, and are now the responsibility of Launch Services.
Are still running macOS 10.12.6 (16G29)? Where can you find that build number of macOS? Should it matter?
One of the great hidden features in macOS, xattrs are rarely used by anyone outside Apple, largely because they are so poorly supported by functions calls and tools.
macOS Sierra it is then – but why did Apple choose those names?
If you wanted to mess someone’s Mac up, you could go into their system files and change things around when they were out at lunch.
The Eclectic Light Company 