Programmatically exit from iOS app

exit.m

  // not for app store apps, 'cause wil be rejected !!!
  // can be useful for in-house development needs 
  
  UIApplication *app = [UIApplication sharedApplication];
  [app performSelector:@selector(suspend)];
    
  // wait two seconds while app is going to background
  [NSThread sleepForTimeInterval:2.0];
    
  // when exit app when it is in background
  exit(0);
  
  // app screenshot still will be at mulitask view
  // but it's only show recent apps
  // actually, you've exit from current app