The default for new accounts in Catalina is zsh but if you upgrade, you'll still have bash: https://support.apple.com/en-us/HT208050 https://support.apple.com/e

The default for new accounts in Catalina is zsh but if you upgrade, you'll still have bash: https://support.apple.com/en-us/HT208050 https://support.apple.com/en-us/HT208050