this is what it shows:
Last login: Sun Aug 2 12:34:33 on console
Taylors-Mac-mini-2:~ TaylorBoyd$ sudo gpt -vv -r show /dev/disk0
Password:
gpt show: /dev/disk0: mediasize=500107862016; sectorsize=512; blocks=976773168
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 976773167
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 539493280 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
539902920 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
541172456 238335256
779507712 197265408 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
976773120 15
976773135 32 Sec GPT table
976773167 1 Sec GPT header
Taylors-Mac-mini-2:~ TaylorBoyd$ sudo fdisk /dev/disk0
Disk: /dev/disk0 geometry: 60801/255/63 [976773168 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 - 539493280] HFS+
3: AB 1023 254 63 - 1023 254 63 [ 539902920 - 1269536] Darwin Boot
4: 0C 1023 254 63 - 1023 254 63 [ 779507712 - 197265408] Win95 FAT32L
Taylors-Mac-mini-2:~ TaylorBoyd$ sudo dd if=/dev/rdisk0s4 count=1 2>/dev/null l hexdump -C