Add MacOS survival guide

how_to

@@ -868,3 +868,17 @@ Gandi for server setup:
     Let's encrypt/letsencrypt:
         install certbot-dns-gandi-git (AUR)
         # Email address is kept private
+
+MacOS survival guide (Because the "user friendly" OS has worse affordances than windows):
+    Using firefox and other multiplatform apps
+        Replace <Ctrl> by <Super> (<Command> in Mac-speak)
+    Toggle window fullscreen
+        <Super>+<Ctrl>+F
+    Restore minimized window
+        Hold <Super>
+        <Super>+[<Shift>]+Tab
+        Hold <Alt> (<Option> in Mac-speak)
+        Release <Super>
+        Release <Alt>
+    Maximizing window WITHOUT fullscreen
+        Double click window title bar