#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
 
int main()
{
    pid_t pid;
    pid = fork();
 
    if (pid < 0)
    {
        printf("Process creation failed\n");
        exit(1);
    }
    else if (pid == 0)
    {
        printf("Child process starts\n");
        execl("/bin/ls", "ls", NULL);
        printf("Exec failed\n");
    }
    else
    {
        wait(NULL);
        printf("Child Terminated\n");
    }
 
    return 0;
}
 

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