CS 497C - Homework B-1 - Name:_________________

    DUE: Wednesday, October 3 (noon by e-mail to cs497c@cs.twsu.edu)

    
    * This homework gives you 30 bonus points (3 points for each problem)
      for your homework assignments.
    * I'll compile the questions sent by you and post about 40 questions
      which you request most on the CS497C course Web site. 80 percent of 
      questions in the next quiz will come from these 40 questions.
    * The next quiz will have 5 choice questions and 5 Q&A questions.
      The total points are 50. It will take about 25 minutes.
    * Please send your work to cs497c@cs.twsu.edu by e-mail.


    Assignment:

    List your top ten questions in chapter 4, 6, and 7 which you should
    know, can answer or should be asked in the next quiz. You need to
    write both the question and answer. Your answer should be correct.
    Otherwise, one point will be deducted. The distribution of questions 
    is as follows:

    * Chapter 4 (vi editor) has one choice question and one Q&A question. 
    * Chapter 6 (file system) has two choice questions and two Q&A 
      questions.
    * Chapter 7 (file attributes) has two choice questions and two Q&A 
      questions.

    A sample of the choice question is shown in below:

    (3) 1. Which directory doesn't have a parent directory?
           (1) your home directory (2) /root (3) the root directory (4) /home
    
    A sample of the Q&A question is shown in below:

    1. Which are the characters that can't be used in a filename? Can a
       space be used in a filename?
 
    Ans: Only the / can't be used in a filename. A space can be used in
         a filename.