dd if=/dev/zero of=/dev/sdb

Disk /dev/sdb: 14.7 GiB, 15728640000 bytes, 30720000 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x003e98d7

Device     Boot Start      End  Sectors  Size Id Type
/dev/sdb1  *       32 30719999 30719968 14.7G  c W95 FAT32 (LBA)

mkdir /media/usb
sudo mount /dev/sdb1 /media/usb

mount: wrong fs type, bad option, bad superblock on /dev/sdb,
   missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.

sudo parted --list

Model: SomeUSB disk (scsi)
Disk /dev/sdc: 64GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Number  Start   End    Size   File system  Name  Flags
1      1049kB   8GB    8GB    FAT               BOOT

sudo parted /dev/sdc mklabel msdos

sudo parted -a none /dev/sdc mkpart primary fat32 0 8192

mkfs.vfat -n "8GB-USB" /dev/sdc1