Ubuntu USB Drive -Format
$ df -h
// output: https://vitux.com/wp-content/uploads/2018/09/word-image-28.png
sudo mkfs.vfat /dev/sdb1
Holy
$ df -h
// output: https://vitux.com/wp-content/uploads/2018/09/word-image-28.png
sudo mkfs.vfat /dev/sdb1