Run “chsh -s /bin/bash” in a Terminal Window to switch your shell from Zsh to Bash, then restart your Terminal. New terminal windows will open using Bash. You can also change the login shell to Bash in a user’s advanced options page.
Apple is now using Zsh as the default shell on macOS. We love Zsh, but the trusty old Bash shell is still included with macOS, and you can quickly switch back to Bash if you prefer. Zsh became the default in macOS Catalina.
Zsh is only the default shell on newly created user accounts, so any existing accounts you have on an upgraded Mac will still use Bash by default unless you change it. Each user account has its own default shell preference.
From the Terminal
To change a user account’s default shell on macOS, simply run the chsh -s (change shell) command in a Terminal window.
Change the default shell to Bash by running the following command:
chsh -s /bin/bash
You’ll have to enter your user account’s password. Finally, close the Terminal window and reopen it. You’ll be using Bash instead of Zsh.
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