Building Zsh from Source and Configuring It on CentOS

Update: this is my first post on Zsh install and configuration. For a list of useful plugins I use to boost my productivity, see this post.

Zsh is a powerful shell with better auto-completion and richer features. There are also various plugins to enrich your experience of using Zsh. In this post, I will give a brief summary on how to install and set up zsh.