brew reinstall code example
Example 1: brew install zsh
brew install zsh
Example 2: mac install brew
$ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
Example 3: brew insall
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"