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Open folders in tabs instead of new windows

Section titled “Open folders in tabs instead of new windows”

Finder > Settings > General > Open folders in tabs instead of new windows

Option Module: home-manager

Option Path: applications.finder.settings.general.openFoldersInTabsInsteadOfNewWindows

Option Value Description: null or boolean or value "unset" (singular enum)

false:

Terminal window
/usr/bin/defaults write ~/Library/Preferences/ByHost/com.apple.finder FinderSpawnTab -bool "false" 2>/dev/null || true

true:

Terminal window
/usr/bin/defaults write ~/Library/Preferences/ByHost/com.apple.finder FinderSpawnTab -bool "true" 2>/dev/null || true

unset:

Terminal window
/usr/bin/defaults delete ~/Library/Preferences/ByHost/com.apple.finder FinderSpawnTab 2>/dev/null || true