How do I dual-boot with another distro? I have a machine with a 256 GB internal SSD using LVM with separate partitions for /, swap, /home, and the EFI system partition. I installed Fedora 25 but am curious to check out other distros. However I see the word "fedora" all over the place when I look at disks; / is `/dev/fedora/root`, my swap partition is `/dev/fedora/swap`, my grub config is at `/boot/efi/EFI/fedora/grub.cfg`, and so on. This worries me that messing around with stuff might break Fedora.

What's the sanest way to create another partition to put another distro on without breaking Fedora? And how could I choose between them at boot?