anchor.diff:  %%
   %% forked shortened version of R16 disksup. serves 2 purposes:
   %% - include bind mounts into linux disk info
  -%% - fix OSX disksup that is broken in R14 (to be removed after move to R16)
  +%% - fix OSX disksup to include the new Apple File System (apfs)
   
   -module(ns_disksup).
   -behaviour(gen_server).
  
positive.code:              check_disks_linux(RestStr)];
          _Other ->
              check_disks_linux(skip_to_eol(Str))
      end.
  
  %%--Auxiliary-----------------------------------------------------------
  
negative.code: 
  check_disk_space({unix, linux}, Port) ->
      Result = my_cmd("/bin/df -alk", Port),
      check_disks_linux(skip_to_eol(Result));
  check_disk_space({unix, darwin}, Port) ->
      Result = my_cmd("/bin/df -i -k -T ufs,hfs,apfs", Port),
      check_disks_susv3(skip_to_eol(Result)).
  
  check_disks_linux("") ->
      [];
  