查看系统当前 shell

$ cat /etc/shells

安装 oh my zsh

$ sudo apt-get install zsh git wget

$ wget -no-check-certificate https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | sh

$ chsh -s /bin/zsh

$ reset

配置 zsh

配置文件是 /root/.zshrc，根据需要修改即可。

oh my zsh 的自动更新提示误触关掉了？

$ upgrade_oh_my_zsh

想换 oh my fish?

$ uninstall_oh_my_zsh

$ brew install fish

$ curl -L https://github.com/bpinto/oh-my-fish/raw/master/tools/install.sh | sh

注意到 /root/.zshrc 目录仍然在，还能换回来。