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  • Answer to: What type of OS is in my PowerBook

    classic becomes unsupported as of Leopard 10.5, Classic environment will no longer be installable or usable, however you can run classic in Tiger 10.4 - 10.4.11 and software is still being compiled and released on the web which supports OSX Tiger as opposed to less software being developed for the much older 10.3 panther. david