#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
int main()
{
	int x = 1;
	//create new process
	int returnValue = fork();
	//Error handling
	if(returnValue < 0){ 
		perror("fork() error");
		exit(-1); //terminate calling process
	}
	//Child Class
	if (returnValue == 0) { 
		printf("I am Child \n"); 
		FILE * fp;
		fp = fopen ("abc.txt", "w+"); // create empty file
		fclose(fp);
	}
	//Parent Class
	else{
		printf("I am Parent \n"); 
		wait(NULL); //Wait for child process 
		printf("The PID of child process is %d \n", returnValue);
	}
	return 0;
}

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