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All source material used by permission.
Any copyright remains with the original holders.
hdiutil create -o /tmp/HighSierra -size 6500m -volname macOS -layout SPUD -fs HFS+J
Released in September 2017, macOS High Sierra was officially versioned as 10.13. The update was the final iteration of this operating system, providing essential security patches and stability improvements before the transition to macOS Mojave (10.14). Macos High Sierra 10.13.6.iso