- On macOS, the Terminal is the hardware for the shell, as in, the tool where the shell software can run
- Bash-shell was the standard before but its nowadays being replaced by zsh (Z-Shell)
- More can be found here: https://academind.com/tutorials/terminal-zsh-basics
- zshrc is just a text file which will be executed by zsh on startup
- You can open it as a text file by the help of the following command:
open ~/.zshrc