1 Answer. As pointed out in the comment, ~/.zshrc is not created by default in macOS. However, you can create it easily enough: There's a nice Q&A here that summarizes one opinion of the raison d'être for the ~/.zshrc file. And there's another opinion here, which also suggests what types of configuration parameters should go into a ~/.zshrc file. To invoke the history search, you must still press [Ctrl]-R which will present the search prompt. Type in the text you want to search for (i.e., perl) and then press the up and down keys without When starting Zsh, it will source the following files in this order by default: /etc/zsh/zshenv Used for setting system-wide environment variables. This file will always be sourced and cannot be overridden. You may adjust how often omz checks for the update by adjusting the below line from the ~/.zshrc file. # file: "~/.zshrc" # Uncomment the following line to change how often to auto-update (in days). export UPDATE_ZSH_DAYS = 1 If you are already familiar with setting up Python on Mac or want to jump straight in: Make sure terminal uses zsh (Mac default) Install Oh My Zsh. Install Brew. Install Miniconda. conda install -c conda-forge jupyterlab. Download preferred IDE. Connect your respective IDE interpreter to Miniconda Python. I recently followed the steps to install jENV and Corretto-8. Unfortunately now whenever I open a new terminal I see the following: Last login: XXXXXXX /Users/username/.zshrc: command not found: je So you need to add the following line to your .zshrc file to add the conda command to your shell environment. Unable to install miniconda3 on a mac. 0. To use Zsh's implementation instead of Apple's: Add to your .zshenv file: SHELL_SESSIONS_DISABLE=1. Add to your .zshrc file: setopt SHARE_HISTORY. In your Zsh dotfiles, make sure you don't set any options incompatible with SHARE_HISTORY. aKwR.