anchor.diff:  
       Reply = case string:tokens(binary_to_list(Option), ?COMMAND_DELIMITER) of
                   [] ->
  -                    io_lib:format("[ERROR] ~s\r\n",[?ERROR_COMMAND_NOT_FOUND]);
  +                    io_lib:format("[ERROR] ~s\r\n",[?ERROR_NO_NODE_SPECIFIED]);
                   [Node|_] ->
                       case leo_manager_api:suspend(list_to_atom(Node)) of
                           ok ->
  
positive.code: -define(ERROR_COULD_NOT_ATTACH_NODE, "could not attach a node").
  -define(ERROR_COULD_NOT_DETACH_NODE, "could not detach a node").
  -define(ERROR_COMMAND_NOT_FOUND,     "command not exist").
  
  
  %%----------------------------------------------------------------------
  
negative.code: 
      Reply = case string:tokens(binary_to_list(Option), ?COMMAND_DELIMITER) of
                  [] ->
                      io_lib:format("[ERROR] ~s\r\n",[?ERROR_NO_NODE_SPECIFIED]);
                  [Node|_] ->
                      case leo_manager_api:resume(list_to_atom(Node)) of
                          ok ->
  