1.mac下 安装 zsh
brew install zsh
sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
查看当前已安装shells: cat /etc/shells
更改mac默认shell为zsh: chsh -s /usr/local/bin/zsh
更改zsh配置文件: vim ~/.zshrc
更改完配置记得运行: source ~/.zshrc
还原默认shell: chsh -s /bin/bash