CS 140U online 50 POINTS DUE: Announced in the Discussion board and online calendar on D2L

CS 140U online 50 POINTS DUE: Announced in the Discussion board and online calendar You don't need to use UNIX for this assignment, the answers are on your book or online. Make sure to submit the answers on time. Make sure to be complete with your answers. Any questions, let me know. Use the dropbox only to submit your assignments.

Always include the questions with your answers when submitting your assignments. Attach ONLY .txt files.

Each question has its own point system. For instance, if an assignment has 10 questions and it is worth 50 points, each question will be worth 5 points, etc.

When I correct your assignments, there will be series of *** in front of an answer, indicating that the answer is either incomplete or complete wrong. The points will be deducted accordingly. -1 for very minor error, 3 or more for major errors. The key for the assignments will be found under Content-assignment/lab answers.

Make sure to submit all of your assignments in the dropbox.

Always include the assignment questions (except assignments 6, 7), otherwise 10 pts will be deducted. Also, attach ONLY  .txt files, NO Word or PDF files.

1) Briefly explain what an Operating System is.

2) What does it mean to say, "UNIX is a multi-user Operating System?"

3) What does it mean to say, "UNIX is a multi-tasking Operating System?"

4) What does it mean to say, "UNIX is a portable Operating System?"

5) Why is UNIX portable?

6) What are the three major components of any UNIX system (UNIX as an Operating System)?

7) What are the names of the two prominent versions of UNIX, according to our text book?

8) Who (names) of people who designed the original UNIX?

9) What are the two different ways in which a user can interact (interface/work) with UNIX?

10) What is a UNIX account?

11) What is the username of the most powerful account in a UNIX system (the superuser)?

12) What does it mean to "login" to UNIX? What steps do you usually follow for this procedure?

13) What is a Shell?

14) What is a login Shell?

15) What has to be done to change the terminal emulation if it is not correct?