Install Upgraded GNU Bash on a Macbook Pro

When you get a new Macbook Pro with M1 chip you get an old version of Bash.

Bash isn’t old. It’s still being maintained. It has millions of Linux and Windows users. Here’s how to put the newest version of Bash back inside your MacOS box.

Prerequisite: Install Homebrew. (Install iTerm2 for good measure.)

Install Bash and the bare minimum of things things you would expect it to have:

 
brew install bash bash-completion lesspipe 

Verify that it’s installed:

 
which -a bash
There are now different Bash versions on your Mac, choose the newest one.

Add it to your /etc/shells file:

sudo nano /etc/shells
List of acceptable shells.

Change your default shell to the new Bash:

chsh -s /opt/homebrew/bin/bash

Create a .profile and .bashrc that resembles what you would see in Ubuntu 22.04’s /etc/skel folder:

From here, create your .bash_aliases and make all the other adjustments you’ve been doing since 1989… Bash not dead!

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