diskutil list
MBPdeNilasQuier:~ 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/disk1
MBPdeNilasQuier:~ 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] unused
sudo fdisk -e /dev/disk1
edit 2
fdisk: 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)
00
write
y
quit
diskutil list