Lets make this organized and documented org-mode style
Here lets do the preliminary setup and put in some good defaults for emacs, including setting some system wide variables.
Lets make emacs look and behave better.
(line-number-mode t)
(column-number-mode t)
;; http://ergoemacs.org/emacs/elisp_determine_OS_version.html
(if (version< emacs-version "26.1")
(global-linum-mode t)
;; https://github.crookster.org/macOS-Emacs-26-display-line-numbers-and-me/
(global-display-line-numbers-mode 1))