https://superuser.com/questions/1127067/macos-keeps-asking-my-ssh-passphrase-since-i-updated-to-sierra ssh-add -A nano ~/.bash_profile https://unix.stackexchange.com/questions/71253/what-should-shouldnt-go-in-zshenv-zshrc-zlogin-zprofile-zlogout https://apple.stackexchange.com/questions/388622/zsh-zprofile-zshrc-zlogin-what-goes-where