# 1. Install zsh: need logout and login again to take effect.
# Use "echo $SHELL" to confirm.
sudo apt-get install zsh
chsh -s $(which zsh)
# 2. Install oh-my-zsh.
sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
# 3. Read the "~/.zshrc" file to get how to customize zsh.