diskutil listMBPdeNilasQuier:~ nicolasquier$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *240.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            239.2 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *1.0 TB     disk1
   1:                 DOS_FAT_32 NIKO                    600.0 GB   disk1s1
   2:                  Apple_HFS Clone                   400.2 GB   disk1s2
MBPdeNilasQuier:~ nicolasquier$sudo fdisk /dev/disk1MBPdeNilasQuier:~ nicolasquier$ sudo fdisk /dev/disk1
WARNING: Improper use of the sudo command could lead to data loss
or the deletion of important system files. Please double-check your
typing when using sudo. Type "man sudo" for more information.
To proceed, enter your password, or type Ctrl-C to abort.
Password:
Disk: /dev/disk1    geometry: 121597/255/63 [1953458176 sectors]
Signature: 0xAA55
         Starting       Ending
#: id  cyl  hd sec -  cyl  hd sec [     start -       size]
------------------------------------------------------------------------
1: 0B    0   0   3 - 1023 254  63 [         2 - 1171875000] Win95 FAT-32
2: AF 1023 254  63 - 1023 254  63 [1171875002 -  781583174] HFS+       
3: 00    0   0   0 -    0   0   0 [         0 -          0] unused     
4: 00    0   0   0 -    0   0   0 [         0 -          0] unusedsudo fdisk -e /dev/disk1edit 2fdisk: 1> edit 2
         Starting       Ending
#: id  cyl  hd sec -  cyl  hd sec [     start -       size]
------------------------------------------------------------------------
2: AF 1023 254  63 - 1023 254  63 [1171875002 -  781583174] HFS+       
Partition id ('0' to disable)  [0 - FF]: [AF] (? for help)00writeyquitdiskutil list 
	