How do I display the current grub environment settings on redhat?

[blackrhino]

Also see:
grub-editenv(1) — Manage the GRUB environment block.

$ sudo grub2-editenv list
[sudo] password for training:
saved_entry=7b0c69d1ea2547daba0ca06497406df9-4.18.0-147.el8.x86_64
kernelopts=root=/dev/mapper/rhel-root ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet
boot_success=1
boot_indeterminate=0