I've got to step 9 ( I think ) but then I get an option that doesn't appear in the above, here is the terminal session:
Last login: Mon Mar 9 16:03:16 on ttys000
Natalias-MacBook-Air:~ Cloggyjohn$ sudo gdisk /dev/rdisk0
Password:
GPT fdisk (gdisk) version 1.0.5
Warning: Devices opened with shared lock will not have their
partition table automatically reloaded!
Partition table scan:
MBR: hybrid
BSD: not present
APM: not present
GPT: present
Found valid GPT with hybrid MBR; using GPT.
Command (? for help): P
Disk /dev/rdisk0: 490234752 sectors, 233.8 GiB
Sector size (logical): 512 bytes
Disk identifier (GUID): 0000393E-6F89-0000-431B-0000F6230000
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 490234718
Partitions will be aligned on 8-sector boundaries
Total free space is 5335 sectors (2.6 MiB)
Number Start (sector) End (sector) Size Code Name
1 40 409639 200.0 MiB EF00 EFI system partition
2 409640 371503399 177.0 GiB AF0A Customer
3 371505152 489262437 56.2 GiB 0700 Basic data partition
4 489263104 490231807 473.0 MiB 0700 Basic data partition
Command (? for help): R
Recovery/transformation command (? for help): O
Disk size is 490234752 sectors (233.8 GiB)
MBR disk identifier: 0x000000CE
MBR partitions:
Number Boot Start Sector End Sector Status Code
1 1 409639 primary 0xEE
2 409640 371503399 primary 0xFF
4 489263104 490231807 primary 0x27
Recovery/transformation command (? for help): H
WARNING! Hybrid MBRs are flaky and dangerous! If you decide not to use one,
just hit the Enter key at the below prompt and your MBR partition table will
be untouched.
Type from one to three GPT partition numbers, separated by spaces, to be
added to the hybrid MBR, in sequence: 2 3
Place EFI GPT (0xEE) partition first in MBR (good for GRUB)? (Y/N): Y
Creating entry for GPT partition #2 (MBR partition #2)
Enter an MBR hex code (default AF):
Set the bootable flag? (Y/N): N
Creating entry for GPT partition #3 (MBR partition #3)
Enter an MBR hex code (default 07):
Set the bootable flag? (Y/N): Y
Unused partition space(s) found. Use one to protect more partitions? (Y/N):