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macOS is incredible as a personal OS. Would love to join Apple and contribute to the OS at some point. Karabiner is life changing.

Clean install

You can clean install by going to Recovery mode (restart with cmd+r pressed). Then Disk Utility > Select disk > Erase (Format it) > Close Disk Utility > Select option Reinstall MacOS (Choose macOS ver. to install).



macOS Defaults

# Remove dock animation.
defaults write autohide-delay -int 0
defaults write autohide-time-modifier -float 0.4
killall Dock

# Revert
defaults delete autohide-delay
defaults delete autohide-time-modifier
killall Dock
# Turn internal keyboard off.
sudo kextunload /System/Library/Extensions/AppleUSBTopCase.kext/Contents/PlugIns/AppleUSBTCKeyboard.kext/

# Turn internal keyboard on
sudo kextload /System/Library/Extensions/AppleUSBTopCase.kext/Contents/PlugIns/AppleUSBTCKeyboard.kext/