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On January 14, 1984, Apple released the first version of its Macintosh operating system, System 1.0. Despite being almost four decades old, many of its features resemble today’s macOS. We’ll take you on a brief tour of this historic OS.
The Long View There are some great source level debuggers for the Mac, but all of them are programs that depend on the toolbox to interact with you and draw stuff on the screen to help you figure out what’s going wrong. When your program is really in dire straits, and has taken the operating system down with it, there is no substitute for a debugger that doesn’t need a working operating system. For the pre-OSX Macintosh, this was usually Macsbug. Macsbug was great, because it was so simple. It didn’t draw windows or use the mouse. You could type cryptic 2-lette...