====== diff / patch ======

Create patch
<code bash>
diff -Naur standard_moodle my_moodle > patch.txt
</code>

Parameters:
  * ''-N''  treat absent files as empty
  * ''-a''  treat all files as text
  * ''-u''  output NUM (default 3) lines of unified context
  * ''-r''  recursively compare any subdirectories found