Defaults to make mac usable on a new setup

mac-defaults-on-a-new-setup

# get rid of press and hold character popup
defaults write -g ApplePressAndHoldEnabled -bool false

# delay until a key repeats
defaults write -g InitialKeyRepeat -int 25
# duration between repeats after repeat initiation
defaults write -g KeyRepeat -int 1

# remove default shadow from window screenshots
defaults write com.apple.screencapture disable-shadow -bool true
killall SystemUIServer