安装 zsh
centos:
yum -y install zsh
zsh --version验证是否安装成功
zsh --version
on-my-zsh
git clone git://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh
chsh -s $(which zsh)
如果失败用这个
usermod -s /bin/zsh username