In a previous article, SD Card Basics, I covered the different SD Cards and their abilities. The member 'aeiou' commented that the SD Card Association has an SD Card Formatter for Linux. There is one for Windows and Mac as well, but we'll look at the Linux version. The page for the Formatter is here. Keep in mind that this is a command-line... https://www.linux.org/threads/sd-card-formatter-for-linux.57148/