Done. Here is the load out from the sudo gpt commands. and below it the load outs from gdisk. It's reverted to giving me the "Windows cannot be installed to this hard disk space. Windows must be installed to a partition formatted as NTFS" error
sudo -w -r show /dev/disk1
sudo: illegal option -- w
usage: sudo -h | -K | -k | -L | -V
usage: sudo -v [-AknS] [-g groupname|#gid] [-p prompt] [-u user name|#uid]
usage: sudo -l[l] [-AknS] [-g groupname|#gid] [-p prompt] [-U user name] [-u
user name|#uid] [-g groupname|#gid] [command]
usage: sudo [-AbEHknPS] [-C fd] [-g groupname|#gid] [-p prompt] [-u user
name|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AknS] [-C fd] [-g groupname|#gid] [-p prompt] [-u user
name|#uid] file ...
Christophers-iMac:~ christopherwoodside$ sudo fdisk /dev/ disk1
Password:
usage: fdisk [-ieu] [-f mbrboot] [-c cyl -h head -s sect] [-S size] [-r] [-a style] disk
-i: initialize disk with new MBR
-u: update MBR code, preserve partition table
-e: edit MBRs on disk interactively
-f: specify non-standard MBR template
-chs: specify disk geometry
-S: specify disk size
-r: read partition specs from stdin (implies -i)
-a: auto-partition with the given style
-d: dump partition table
-y: don't ask any questions
-t: test if disk is partitioned
`disk' is of the form /dev/rdisk0.
auto-partition styles:
boothfs 8Mb boot plus HFS+ root partition (default)
hfs Entire disk as one HFS+ partition
dos Entire disk as one DOS partition
raid Entire disk as one 0xAC partition
Christophers-iMac:~ christopherwoodside$
-----
Sudo gdisk /dev/rdisk1
GPT fdisk (gdisk) version 1.0.1
Warning: Devices opened with shared lock will not have their
partition table automatically reloaded!
NOTE: Write test failed with error number 1. It will be impossible to save
changes to this disk's partition table!
You may need to deactivate System Integrity Protection to use this program. See
https://www.quora.com/How-do-I-turn-off-the-rootless-in-OS-X-El-Capitan-10-11
for more information.
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Command (? for help): P
Disk /dev/rdisk1: 5860533168 sectors, 2.7 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): AC39F17B-8E64-442F-B254-ABF8AE371DA6
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 5860533134
Partitions will be aligned on 8-sector boundaries
Total free space is 1805 sectors (902.5 KiB)
Number Start (sector) End (sector) Size Code Name
1 40 409639 200.0 MiB EF00 EFI System Partition
2 409640 3904445575 1.8 TiB AF05 Internal Drive
3 3904445576 3905715335 620.0 MiB AB00 Recovery HD
4 3905716224 5860532223 932.1 GiB 0700 BOOTCAMP
Command (? for help): R
Recovery/transformation command (? for help): O
Disk size is 5860533168 sectors (2.7 TiB)
MBR disk identifier: 0x00000000
MBR partitions:
Number Boot Start Sector End Sector Status Code
1 1 4294967294 primary 0xEE
Recovery/transformation command (? for help):