What is the difference between running the Classic environment and running OS 9?
On older computers you have the choice of starting the computer in either system, if they have both been installed. If you start in OS 9, OS X is inactive and unavailable, and OS X-native applications and services are unavailable. Almost everything will then look and behave as you have been used to seeing it in OS 8/9. If you start in OS X, then you can also launch OS 9 from within OS X as the Classic environment. In the latter case, most older programs will run in the Classic environment, and the interface for these applications will look traditional (note the traditional appearance of the menubar and the multi-colored Apple icon of the Apple menu). OS X-native applications will run in the new environment, and the interface will have the new “aqua” look (note the different appearance of the menubar and the blue Apple icon of the Apple menu). More recent Macs cannot start in OS 9 at all. You can use OS 9 applications only in the Classic environment. If the Classic environment is not av
