FILENOTE file|directory comment

* FILENOTE creates or changes a comment of the file or directory.
  This comment can be up to 116 characters long and can be displayed
  using the  LIST  command. It is useful if the filename does not say
  what for this file is. Add a comment to this file and you will
  forever know what this file does.

eg.     filenote devs:mountlist "This is used by the mount command"