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RobertYim/Avoid Convert to APFS, High Sierra

Created September 1, 2018 18:18
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Avoid Convert to APFS, High Sierra
Boot to ISO
/Volumes/"Image Volume/Install macOS High Sierra.app"/Contents/Resources/startosinstall --volume the_target_volume --converttoapfs NO --agreetolicense --applicationpath /Volumes/"Image Volume/Install macOS High Sierra.app"
Change the_target_volume as appropriate for the actual name you decided to use for your macOS target volume. Hopefully it is obvious that the target volume must already be formatted as HFS+J.
https://www.tonymacx86.com/threads/guide-avoid-apfs-conversion-on-high-sierra-update-or-fresh-install.232855/
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