adds bash commands for editing files

basics.html

@@ -400,6 +400,11 @@
             cp src dest   # copy from source to destination
             mv src dest   # move / rename
             ```
+
+            ```bash
+            nano file     # edit file (Linux / Mac)
+            notepad file  # edit file (Windows)
+            ```
           </section>
 
           <section id="cli-git" data-markdown>