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CST8129 Lab Exercise #1 (Week 3)
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-IAN! idallen@ncf.ca

Due: 13:00 Friday September 13, 2002
Late penalty for this assignment: 20% per day

Marks: 1%
Purpose:
 - produce an acceptable Submission Label
 - submit plain text (not word processing)
 - review some of the work done so far
Hand in: online submission only - no paper, no diskettes

Part I
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    Read the Assignment Submission Standards via the button on the left
    of my College home page (/~alleni/).  In the VI text editor, prepare
    an assignment submission label in the exact form given, for example
    (this is the example from the web page):

      Student Name:                 Eileen Dover
      Algonquin EMail Address:      dove0001
      Student Number:               074-210-779
      Course Number:                CST 2001
      Lab Section Number:           021
      Professor Name:               Ian Allen
      Assignment Name/Number/Date:  Homework 3 due July 31, 2010

   You will be asked to include this type of submission label at the top
   of most files that you hand in.  Follow the exact directions given in
   the Assignment Standards web page.  Spelling and punctuation count -
   for full marks, use the exact spelling of the fields given above.

Part II
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   Put a copy of the Assignment Submission Label into a file.  Underneath
   the label, in the same text file, answer the following questions:

   II.1. what keyboard sequence usually generates a SIGINT signal?
   II.2. what keyboard sequence usually generates an EOF on input?
   II.3. what keyboard sequence usually generates a "process stop" signal?

   Number your answers as shown above.

   Change the permissions on this file to "read-only" for you, "read-only"
   permissions for group, no permissions for other people.

   In the Linux lab, copy your answer file to this location:
       
       ~alleni/cst8129/02f/lab01exercise/xxxxnnnn.txt

   where xxxxnnnn is your Algonquin userid (e.g. abcd0001).

   Files with the wrong name or wrong Unix permissions will be penalized.

Part III
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   Put another copy of the Assignment Submission Label into a file.
   Insert "#" characters in front of every line to make the lines into
   shell comments.

   In the same text file, read in the modified script example 9.2 that you
   typed in last week (see week02notes.txt).

   Make sure the first line of the file is the line:  #!/bin/bash -u
   (Delete and move the line to the top of the file if necessary.)
   The assignment submission label will follow that first line.
   The rest of the script will follow the label.

   Test the script to make sure the output resembles that shown in the
   textbook.  (Did you get the back quotes typed in correctly?)

   Change the permissions on this file to "read-execute-only" for you
   and for group, no permissions for other people.

   In the Linux lab, copy your answer file to this location:
       
       ~alleni/cst8129/02f/lab01exercise/xxxxnnnn.sh

   where xxxxnnnn is your Algonquin userid (e.g. abcd0001).
   (Be careful not to overwrite the xxxxnnnn.txt file from above.)

   Files with the wrong name or wrong Unix permissions will be penalized.

Your exercise is due online before the date and time given above.