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Hoping writing JS, Ruby & Rails and Go article, but fallback to DevOps note

Some Pro User MacOS Settings

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Lock the fix area of the Dock.

defaults write com.apple.dock contents-immutable -bool yes
defaults write com.apple.dock size-immutable -bool yes
defaults write com.apple.dock position-immutable -bool yes
killall Dock

Setting recent application number, default is 3.

defaults write com.apple.dock show-recent-count -int 5;
killall Dock

More modern macOS can not stop upgrade from setting, but still can clean the red dot.

defaults write com.apple.systempreferences AttentionPrefBundleIDs 0

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