IOS NSTask(重启设备、杀指定进程)

//重启            NSArray * ary = [NSArray arrayWithObjects:@"backboardd",@"SpringBoard",nil];                        [[NSTask launchedTaskWithLaunchPath:@"usr/bin/killall"                                      arguments:ary] waitUntilExit];                                    //杀进程//            NSArray * ary = [NSArray arrayWithObjects:@"NewsBoard",nil];//            [[NSTask launchedTaskWithLaunchPath:@"usr/bin/killall"//                                      arguments:ary] waitUntilExit];                        //C//            system("kill xxx");