A while back I used MacPorts to install the latest bash and changed my admin user to use it. Worked great. Then Big Sur came along and I had to upgrade MacPorts. This involved uninstalling installed packages, upgrading the base MacPorts, then reinstalling the packages.

Imagine my surprise -- because I didn't fully consider these actions -- when my terminal session started ignoring my commands partway through that process. It turns out that it is a Bad Idea to delete your shell binary when you're using it.

Fortunately, VS Code's terminal uses a different shell binary so I was able to complete the upgrade there.

Another day, another reminder to Be More Careful.