I found the answer to my own question. After researching how to use the “find” “grep”, and “sed” commands, I figured it out. (And some careful copying and pasting)
Whew!
find . -type f -name “wp-config.php” -exec sed -i — “s/define(‘AUTOMATIC_UPDATER_DISABLED’, true/define(‘AUTOMATIC_UPDATER_DISABLED’, false/g” {} +
Yes. I’m a noob. But I’m working on it! ??