Créer une clé USB bootable EFI, à partir d'une image ISO

• GPT fdisk (gdisk) version 1.0.3

• Partition table scan:
• MBR: protective
• BSD: not present
• APM: not present
• GPT: present

• Found valid GPT with protective MBR; using GPT.

• Command (? for help):

• This option deletes all partitions and creates a new protective MBR.
• Proceed? (Y/N): Y

• Command (? for help):

• Partition number (1-128, default 1):
• First sector (34-7823326, default = 2048) or {+-}size{KMGTP}:
• Last sector (2048-7823326, default = 7823326) or {+-}size{KMGTP}:
• Current type is 'Linux filesystem'
• Hex code or GUID (L to show codes, Enter = 8300): ef00
• Changed type of partition to 'EFI System'

• Command (? for help):

• Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
• PARTITIONS!!

• Do you want to proceed? (Y/N): Y
• OK; writing new GUID partition table (GPT) to /dev/sdc.
• The operation has completed successfully.