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I know it would be a good thing to have the OS 8.5.1 rather the 8.6 on my machine (Performa 6400/200), but would it be a goog idea to have the new OS 9 ???
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I know it would be a good thing to have the OS 8.5.1 rather the 8.6 on my machine (Performa 6400/200), but would it be a goog idea to have the new OS 9 ???

Performa 6400/200 OS 9 ?

Apple's early computers ran on a variety of operating systems, including a Pascal version and one based on CP/M, before releasing its ProDOS with the advent of its 16-bit computer. With the release of the Lisa, which had its own OS, Apple and computing entered the graphical age; it was followed by the Macintosh, which offered a series of "System" operating systems. Other Mac operating systems included PowerPC until Apple acquired NeXT and folded it into the Mac OS. Current operating systems for Apple devices are Mac OS-X and iOS.