Setup oh-my-zsh

Install

# https://gist.github.com/renshuki/3cf3de6e7f00fa7e744a
$ sudo apt-get install zsh
$ cd
$ sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

Uninstall

$ sudo sh ~/.oh-my-zsh/tools/uninstall.sh; chsh -s /bin/bash

sources:
https://github.com/robbyrussell/oh-my-zsh
https://github.com/robbyrussell/oh-my-zsh/issues/6119
https://github.com/robbyrussell/oh-my-zsh/blob/master/tools/uninstall.sh