Okay, diskutil list:
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *250.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS **** ***** iMac 215.2 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Microsoft Basic Data BOOTCAMP 34.0 GB disk0s4
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *16.0 GB disk1
1: DOS_FAT_32 WINDOWS 7 16.0 GB disk1s1
/dev/disk2
#: TYPE NAME SIZE IDENTIFIER
0: GSP1RMCHPXFREO_EN_DVD *3.3 GB disk2
Diskutil CS:
Usage: diskutil [quiet] coreStorage|CS <verb> <options>,
where <verb> is as follows:
list (Show status of CoreStorage volumes)
info[rmation] (Get CoreStorage information by UUID or disk)
convert (Convert a volume into a CoreStorage volume)
revert (Revert a CoreStorage volume to its native type)
create (Create a new CoreStorage logical volume group)
delete (Delete a CoreStorage logical volume group)
rename (Rename a CoreStorage logical volume group)
createVolume (Create a new CoreStorage logical volume)
deleteVolume (Delete a volume from a logical volume group)
encryptVolume (Encrypt a CoreStorage logical volume)
decryptVolume (Decrypt a CoreStorage logical volume)
unlockVolume (Attach/mount a locked CoreStorage logical volume)
changeVolumePassphrase (Change a CoreStorage logical volume's passphrase)
diskutil coreStorage <verb> with no options will provide help on that verb
Sudo GPT:
****-*****-imac:~ ********$ sudo gpt -vv -r show /dev/disk0
gpt show: /dev/disk0: mediasize=250059350016; sectorsize=512; blocks=488397168
gpt show: /dev/disk0: Suspicious MBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 488397167
start size index contents
0 1 MBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 420260024 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
420669664 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
421939200 66457600 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
488396800 335
488397135 32 Sec GPT table
488397167 1 Sec GPT header
****-*****-imac:~ ********$
Sudo fdisk:
Disk: /dev/disk0 geometry: 30401/255/63 [488397168 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
2: AF 1023 254 63 - 1023 254 63 [ 409640 - 420260024] HFS+
3: AB 1023 254 63 - 1023 254 63 [ 420669664 - 1269536] Darwin Boot
4: 0B 1023 254 63 - 1023 254 63 [ 421939200 - 66457600] Win95 FAT-32
****-*****-imac:~ ********$
Hope this helps!!