Computer Science 322
                         Quiz 3      Name   _____________________

1. The value pushed on the stack JUST BEFORE an OS system call
   interrupt is made in Linux is:

    a. The last parameter to       b. The first parameter to
       be passed to the OS            be passed to the OS

    c. The ID # of the system      d. The PID of the process
       call being requested.          making the system call.


2. When a Unix process forks() the child process begins execution

   a. At the line of code just beyond   b. At the start of the program
      the call to fork()                   containing the fork()

   c. At the first line of the          d. At the start of the C function
      executable program specified         specified in the fork()
      in the fork() call                   call.

3. The data structure used to represent the dynamic structure
   in process management is the:

   a. Stack                        b. Linked list


4. Consider the following program:

main()
{
   int x = 5;

   x = 12;
   rc = fork();
   if (rc > 0)            |------> else
   {                      |        {
      x = 6;              |
      sleep(1);           |           x = 7;
      printf("%d\n", x);  |           sleep(10);
                          |           printf("%d\n", x);
   }  --- ----------------|        }


  a. What numeric value will be printed by the parent?



  b. What numeric value will be printed by the child?



5. The value returned a successful call to the open() function is:

   a. a pointer to a FILE *           b. A pointer to the name
      structure                          of the file that was opened

   c. a small positive                d. 0