I'm a little confused about gpt and partitioning

Note: following the youtube guide provided in the link
I'm trying to make a VM in VMware and when I run cfdisk I get option like sun, dos, gpt, and a 4th item. Now I've been able to successfully install Arch with dos before by disabling efi. But I am trying to get this up and running because I believe I have efi on my desktop motherboard and plan to install arch as dual boot setup with windows 7. So when I do cfdisk and follow it further, I don't know a) what type to make a drive, I know one has to be swap and I assume the other has to be "Linux Filesystem", and b) how to set a bootflag on a particular partition.
P.S. Was also reading on the arch wiki (link also provided) and I don't think I'm reading this correctly it's saying that if Windows is instaled on EFI then I cannot install Arch as GPT either? What if it's on seperate hard drives?
https://wiki.archlinux.org/index.php/GU … er_Support
https://www.youtube.com/watch?v=Wqh9AQt … 4QYmvrtj4g

bstaletic wrote:
There's an "ef00" type (if you're going to use EFI) and an "ef02" type (if you're going to use MBR). These you should use instead of boot flags. If opting for EFI the esp needs to be FAT32 (the ef00 type) and is recommended to be mounted at /boot mountpoint. If opting for GPT+MBR grub will need a BIOS boot partition (ef02 type) which is ~2MiB. I assumed you want GPT (required for EFI).
Now regarding dual booting. Windows doesn't support GPT+MBR. So either go with GPT+EFI or MBR+BIOS.
Thank you, just to be sure the (I'm pretty sure I'm right, I'll make the /dev/sda2 (non-Swap partition) the EFI type since I want to recreate scenario of dual booting assuming I have EFI. I'll try it set to MBR later. Now to a question, On my last VM I believe I had it set to Linux Filesystem, it still works as far as booting goes. But I wonder why? I hadn't set bootflags, neither had I set it to EFI/MBR.
Thanks

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