安装 zsh，这里以centos7为例
安装zsh
yum install zsh
把默认的bash切换成zsh
chsh -s /bin/zsh
安装oh-my-zsh
Github oh-my-zsh:github.com/ohmyzsh/ohm…
提供三种安装方法
via curl
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
via wget
sh -c "$(wget -O- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
git手动安装
git clone https://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
复制配置
cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc
修改主题
修改文件.zshrc中ZSH_THEME的值,然后:wq保存
最后，断开服务器，重新连接，即可！
