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string chsh

[chsh] Run and understand. Change the default shell with the chsh command

created-2025/11/13 updated-2026/03/15

Introduction

This repository runs the chsh command to change the shell used in new windows or the next login.

Commands that need to be installed

None in paticular

Quickstart

After executing the chsh command, open a new window or log out to check if the shell has been changed.

ubuntu

chsh -s /bin/sh


#Please log out from the top right corner of the desktop screen.


echo $SHELL
Output results 
/bin/sh

macos

MacPorts

chsh -s /bin/zsh


#Open a new window with ctrl+n or cmd+n


echo $SHELL
Output results 
/bin/zsh

windows

WSL2

chsh -s /bin/sh


#Close the prompt and reopen it


echo $SHELL
Output results 
/bin/sh

MSYS2 MINGW64

Not possible
Output results 
Not possible

Procedure

ubuntu

Click to open details

Advance confirmation

Enter the following command into the terminal and if command not found does not appear, it is OK.

Nothing in paticular

preinstall

If the command not found appears in the terminal, please install it using the following command.

Nothing in paticular

command

Executing the following command should output a string similar to the following:

chsh -s /bin/sh


#Please log out from the top right corner of the desktop screen.


echo $SHELL
detail 
/bin/sh

macos

Click to open details

Advance confirmation

Enter the following command into the terminal and if command not found does not appear, it is OK.

Nothing in paticular

※MacOS uses the MacPorts package manager to manage commands. If you haven’t installed it yet, please see the MacPorts installation instructions at the link below.

It also allows you to set aliases for commands so that you can call them without conflicting with existing environments.

If you are using this blog for the first time, please refer to the following two articles to set up your environment.

[macos] Steps to install MacPorts
[macos] Setting aliases for commands installed with MacPorts

preinstall

If the command not found appears in the terminal, install it using the following command and set an alias.

Nothing in paticular

COMMAND

Executing the following command should output a string similar to the following:

chsh -s /bin/zsh


#Open a new window with ctrl+n or cmd+n


echo $SHELL
detail 
/bin/zsh

windows

Click to open details

Advance confirmation

Enter the following command into the prompt and if command not found does not appear, it’s OK.

WSL2
Nothing in paticular
MSYS2 MINGW64
Not possible

※Windows has been confirmed to work with WSL2 and MSYS2 MINGW64. Please install WSL2 if possible, and if you are unable to set it up, you can run it by installing MSYS2, but there may be some commands that can only be run in WSL2. Please refer to the following article for instructions on how to install WSL2 and MSYS2.

[windows] Steps to install WSL2 (Windows Subsystem for Linux)
[Windows] Steps to install msys2

preinstall

If the command not found appears in the prompt, please install it using the following command.

WSL2
Nothing in paticular
MSYS2 MINGW64
Not possible

command

Executing the following command should output a string similar to the following:

WSL2
chsh -s /bin/sh


#Close the prompt and reopen it


echo $SHELL
detail 
/bin/sh
MSYS2 MINGW64
Not possible
detail 
Not possible

Afterword

You can change to a shell other than /bin/sh or /bin/zsh by running

cat etc/shells #Please put / before etc.

Select the shell you want to return to from

cat etc/shells #Please put / before etc.

Please run

chsh -s /bin/bash

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