1. "You Have Mail" But No Mail on Mac

    macOS login shell says "You have mail." but mail says "No mail." — here's why and how to fix it.

  2. Optimizing Your Zsh Config on Mac

    Clean up your .zshrc, set up history properly, add useful plugins, and manage proxy with a toggle.

  3. Cleaning Up Pythons on Your Mac

    Install Python the right way.