Write a program to execute ls command in child process. Parent process must wait for child termination.

#include
#include
#include
main()
{
    int pid,w,Status;
    printf("PRENT PROCESS PORTION  \n");
    pid=fork();
    if(pid==0)
    {
        printf("child process part \n ");
        execl("/bin/ls","ls",0);
    }
    sleep(3);
    w = wait(&Status);
    printf("parent process after child execution \n ");
}