centos8系统安装oh my zsh

yum install -y zsh #安装zsh

cat /etc/shells #验证安装

chsh -s /bin/zsh #切换shell为zsh

exit #退出终端重连接

echo $SHELL #验证

yum install git

sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" #curl方式安装，与wget方式二择一即可
sh -c "$(wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)" #wget方式安装，与上边curl二择一即可

ls ~/.oh-my-zsh/themes #查看所有主题

vim ~/.zshrc #编辑选择zsh主题：加入此条命令“alias c = "clear"”，找到修改“ZSH_THEME="bira"”

source ~/.zshrc #刷新使主题生效