I added the following lines to my .emacs.d/init.el to auto-activate linum at startup:
(require 'linum) (global-linum-mode 1) (setq linum-format “%d “)
But no way, i still have to manually
to make it display line numbers in my C buffers (and all other buffers).
(GNU Emacs 23.2.1, modified by Debian)