How to load zsh profile on opening shell terminal

The profile file is the best place defile all your commands or variables that you want to initialise before you open the terminal,

If you are using the Zsh on macOS, you need to create the .zshrc file manually at /Users/username location, when a new session is open the .zshrc profile is loaded,

% nano ~/.zshrc

If you want to load the profile at login you need to make use of .zprofile

% touch ~/.zprofile

This should work on macOS and Ubuntu