C program to print to the next line in file in each iteration

Neelkanth_221$ cat text.c

#include <stdio.h>

int main () {
    FILE *fp;

    fp = fopen("file.txt","a+");

    fprintf(fp, "I am Neelkanth Reddy\n");
    fprintf(fp, "I live on planet earth\n");

    fclose(fp);
    return(0);
}

execute the code 5 times

Neelkanth_221$ vi text.c

Neelkanth_221$ vi text.c

Neelkanth_221$ gcc text.c

Neelkanth_221$ ./a.out

Neelkanth_221$ ./a.out

Neelkanth_221$ ./a.out

Neelkanth_221$ ./a.out

Neelkanth_221$ ./a.out

Output: 

Neelkanth_221$ cat file.txt

I am Neelkanth Reddy

I live on planet earth

I am Neelkanth Reddy

I live on planet earth

I am Neelkanth Reddy

I live on planet earth

I am Neelkanth Reddy

I live on planet earth

I am Neelkanth Reddy

I live on planet earth