Voilou...
Last login: Sun Oct 27 10:28:08 on ttys000
The default interactive shell is now zsh.
To update your account to use zsh, please run `chsh -s /bin/zsh`.
For more details, please visit https://support.apple.com/kb/HT208050.
imac-5k-de-fred:~ fred$ diskutil list
/dev/disk0 (internal...