Reverting default shell to bash from Zsh in Mac OS Catalina
Carvia Tech | October 23, 2019 | 2 min read | 1,176 views
In this tutorial we will learn how to revert default shell from Zsh to bash and vice versa in Mac OS Catalina update.
Apple changed default shell from bash to Zsh in macOS Catalina update. In this article we will quickly explore 3 different ways to switch between bash and Zsh shell.
Using command line to change the shell
Using terminal preferences
Using system preferences for a user
Please note that each user account has its own default shell preference, so a single mac installation can have different shells for different users.
List available shells
You can run the below command to list the available shells on your mac OS.
# List of acceptable shells for chpass(1). # Ftpd will not allow users to connect who are not using # one of these shells. /bin/bash /bin/csh /bin/dash /bin/ksh /bin/sh /bin/tcsh /bin/zsh
Switch default shell from Terminal
we can user
chsh command from terminal to change a user account’s default shell on macOS.
You can use the below command from terminal to change default shell to Bash:
chsh -s /bin/bash
system will ask for the password before applying the changes. You will have to close and reopen the terminal for changes to take affect.
To change default shell back to Zsh, run the below command:
chsh -s /bin/zsh
Now the default shell will be Zsh after you close and reopen the terminal window.
Switch shell from Terminal Preferences
You can change default shell using terminal preference, goto
Terminal → Preferences.. → General → Shells open with:
Enter the value as:
/bin/bash as shown in the below screenshot.
you can add any other entry from the available shells (
Switch shell from User Account
You can change default shell from User Account settings.
System Preferences → Users and Groups → "Click the lock to make the changes" → Select the user account → Hold Ctrl key while clicking on user account on left panel → click advanced options → Login Shell
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