《unix初级教程(第五版)(英文版)》Afzal_Chapter2

Directions: Read each of the following statements. If you think a statement is true, select True. If you think a statement is false, select False.

1. About 95 percent of the UNIX operating system is written in C language.

a. True

b. False

2. The kernel layer manages all the hardware dependent functions.

a. True

b. False

3. The utility layer provides the user-interface.

a. True

b. False

4. The resident program layer provides hardware and software supports.

a. True

b. False

5. The shell program is part of the UNIX kernel.

a. True

b. False

6. The shell scripts are programs written in C language.

a. True

b. False

7. The UNIX operating system is available only on mini computers.

a. True

b. False

8. The two major versions of the UNIX operating system are AT&T's UNIX version

V and Berkeley UNIX.

a. True

b. False

9. UNIX is a multi-user, multi-tasking operating system.

a. True

b. False

10. UNIX looks at the devices such as printers and terminals as files.

a. True

b. False

1. True

2. True

3. True

4. True

5. False

6. False

7. False

8. True

9. True

10. True