diskutil list
diskutil partitionDisk /dev/disk2 mbr exFAT CLE 100%
sudo gdisk /dev/disk2
sudo gpt show /dev/disk2
sudo fdisk /dev/disk2
sudo fdisk -e /dev/disk2
fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory
Enter 'help' for information
fdisk: 1>
erase
fdisk:*1>
w
Device could not be accessed exclusively.
A reboot will be needed for changes to take effect. OK? [n]
y
Writing MBR at offset 0.
fdisk: 1>
q
diskutil partitionDisk /dev/disk2 mbr exFAT CLE 100%