SOURCE FILE: 6.01LineNums.cpp

// Example 6.1. Program with while loop to print line numbers 
   
#include <iostream.h>
   
int main(void)   
{   
   int i = 1;  // loop variable 
   
   while (i < 6)
   {
      cout << "Line number " << i << endl;
      i++;
   }
   
   return 0;
}