GNU/Linux MX 19 Installing UNetbootin – Step by step Guide
How to Install UNetbootin in MX 19 GNU/Linux desktop – Step by step Tutorial.
And UNetbootin for MX Linux allows you to Create Easily Bootable Live USB Drives from OSes ISOs.
Especially Relevant: prior to UNetbootin Installation follow the Instructions to Setup the Apt Repository.
Finally, currently better Alternative to UNetbootin as USB Burner: Etcher MX Linux Installation Guide.

1. Terminal Getting Started Guide
How to QuickStart with Command Line on MX GNU/Linux:
First Update the Apt Repo Sources with:
sudo apt update
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