set --export --prepend PATH "/Users/user/.rd/bin"
$PATH, fish_add_path, bin- Fish shell,
fish_config, fish vi key bindings, set --export, Search as you type, Fisher, ~/.config/fish/config.fish, fish_add_path
set, unset, set -o, set -x, set -e, set +e, set -E, set +b, set -u, $?, exit, return, trap, PostgreSQL SET
