anchor.diff:      ?line test_server:timetrap_cancel(Dog),
       ok.
   
  +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  +
  +large_write(Config) when is_list(Config) ->
  +    run_large_file_test(Config,
  +			fun(Name) -> do_large_write(Name) end,
  +			"_large_write").
  +
  +do_large_write(Name) ->
  +    ChunkSize = 256*1024*1024+1,
  +    Chunks = 16,
  +    Size = Chunks * ChunkSize,
  +    Chunk = <<0:ChunkSize/unit:8>>,
  +    Bin = lists:duplicate(Chunks, Chunk),
  +    ok = prim_file:write_file(Name, Bin),
  +    {ok,#file_info{size=Size}} = file:read_file_info(Name),
  +    ok.
   
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
  
positive.code:     ?PRIM_FILE:delete(Handle, filename:join(Dir, Name)),
      list_dir_limit_cleanup(Dir, Handle, N, Cnt+1).
  
  
negative.code: 	  list_dir_limit/1]).
  
  -export([advise/1]).
  -export([large_write/1]).
  
  %% System probe functions that might be handy to check from the shell
  -export([unix_free/1]).
  
  -include_lib("test_server/include/test_server.hrl").
  -include_lib("kernel/include/file.hrl").
  