How to burn an ISO file to a USB stick
I wanted to install Linux on a hard drive in Frankenmac, as Clover is a multi-boot utility—it lets you choose from any OS it sees during power up. (I'll add Windows, too, eventually.) To do this, you need to get Linux onto a USB stick. I've done this in the past, and my vague recollection of the process was download the ISO, convert to an image file, write image file to USB stick. However, as it'd been a few years, I went searching for references to make sure I had all the commands correct.
I found a lot of pages with a general summary of the process, and few with the specific steps. I tried one of those, but my USB stick didn't work. The other specific pages contained the same basic process, so I was stuck. Until I found this page, which contained a critical step I was missing: Formatting the USB stick before copying the image file.
For future reference, here's the precise process to follow if you want to burn an ISO file onto a USB stick…