One of the things I appreciate about macOS is that it implements some of the emacs behavior (C-a, C-e, C-k). Unfortunately not C-y, and non of the M- ones work

One of the things I appreciate about macOS is that it implements some of the emacs behavior (C-a, C-e, C-k). Unfortunately not C-y, and non of the M- ones work since that's for special characters. I understand they originally come from the readline library.