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Apple Computing Products:
macOS - Operating System
mac OSX (merged)
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<blockquote data-quote="Aptmunich" data-source="post: 252031" data-attributes="member: 3850"><p>Hi William, I merged your threads as you'd posted the same question twice (perhaps accidentally?) , which is against forum policy.</p><p></p><p>As to your question, yes you can install both operating systems and switch between the two.</p><p></p><p>I recently upgraded a Powerbook with 9.2.2. installed to 10.4 and it was still possible to boot into OS 9.</p></blockquote><p></p>
[QUOTE="Aptmunich, post: 252031, member: 3850"] Hi William, I merged your threads as you'd posted the same question twice (perhaps accidentally?) , which is against forum policy. As to your question, yes you can install both operating systems and switch between the two. I recently upgraded a Powerbook with 9.2.2. installed to 10.4 and it was still possible to boot into OS 9. [/QUOTE]
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Apple Computing Products:
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