What means "The default interactive shell is now zsh"?
"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."
Q: What is "interactive shell?"
Q: What is "zsh?"
Q: Update what account?
Q: How to run "'cash -s /bin/zsh'?"
Q: What are the additional details regarding this?
[Re-Titled by Moderator]