TecMint published a tutorial about how to install and setup Zsh in Ubuntu 20.04.
How to Install and Setup Zsh in Ubuntu 20.04
This article is about installing and configuring ZSH on Ubuntu 20.04. This step applies to all Ubuntu-based distributions. ZSH stands for Z Shell which is a shell program for Unix-like operating systems.
How to Install and Setup Zsh in Ubuntu 20.04