diff --git a/README.org b/README.org
index 2ed3ec2..990aea0 100644
--- a/README.org
+++ b/README.org
@@ -22,7 +22,12 @@ Immutable GNU Emacs dotfiles, inspired by Doom, built for Liberty.
 + 100% Immutable
 + 100% Reproducible
 
-#+begin_src emacs-lisp :tangle ~/.local/source/dotfiles/init.el :results silent
+#+begin_src emacs-lisp
+(defconst IS-LINUX (eq system-type 'gnu/linux))
+(defconst IS-WINDOWS (memq system-type '(cygwin ms-dos windows-nt)))
+#+end_src
+
+#+begin_src emacs-lisp
 (defun dotfiles/tangle (dir)
   "Recursively tangle the Org files within a directory."
   (interactive)
@@ -410,19 +415,10 @@ Some methods must be called and applied to the current call process in order to
     (apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts)))))
 #+end_src
 
-Setting the wallpaper is one example; this must occur every time the screen change hook is called.
-
-#+begin_src emacs-lisp
-;; (defun dotfiles/set-wallpaper (path)
-;;   (interactive)
-;;   (when (file-exists-p path)
-;;     (let ((command (concat "feh --bg-scale " path)))
-;;       (start-process-shell-command "feh" nil command))))
-#+end_src
-
 #+begin_src emacs-lisp
 (dotfiles/leader
-  "x" '(dotfiles/run :which-key "Execute"))
+  "x" '(dotfiles/run :which-key "Execute")
+  "z" '(async-shell-command :which-key "Async"))
 #+end_src
   
 When the window manager first launches the ~init-hook~ will be called, this allows us to define some custom logic when it's initialized.
@@ -445,7 +441,6 @@ Using =autorandr= with pre configured profiles, switching screens (AKA hot plugg
 #+begin_src emacs-lisp
 (defun dotfiles/update-display ()
   (dotfiles/run-in-background "autorandr --change --force"))
-  ;; (dotfiles/set-wallpaper "TODO"))
 #+end_src
 
 Finally we configure the window manager.
diff --git a/init.el b/init.el
index 914e9e0..b4bd506 100644
--- a/init.el
+++ b/init.el
@@ -1,10 +1,3 @@
-(defun dotfiles/tangle (dir)
-  "Recursively tangle the Org files within a directory."
-  (interactive)
-  (let ((org-files (directory-files-recursively dir "org")))
-    (dolist (f org-files)
-      (org-babel-tangle-file f))))
-
 (defvar dotfiles/home user-emacs-directory)
 
 (defvar dotfiles/cache "~/.cache/emacs")
@@ -174,14 +167,9 @@
   (let ((command-parts (split-string command "[ ]+")))
     (apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts)))))
 
-;; (defun dotfiles/set-wallpaper (path)
-;;   (interactive)
-;;   (when (file-exists-p path)
-;;     (let ((command (concat "feh --bg-scale " path)))
-;;       (start-process-shell-command "feh" nil command))))
-
 (dotfiles/leader
-  "x" '(dotfiles/run :which-key "Execute"))
+  "x" '(dotfiles/run :which-key "Execute")
+  "z" '(async-shell-command :which-key "Async"))
 
 (defun dotfiles/init-hook ()
   (exwm-workspace-switch-create 1)
@@ -191,7 +179,6 @@
 
 (defun dotfiles/update-display ()
   (dotfiles/run-in-background "autorandr --change --force"))
-  ;; (dotfiles/set-wallpaper "TODO"))
 
 (use-package exwm
   :config