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POS 433 Assignment Unix Linux vs Windows Security and
administration (1000 Words)
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POS 433 Discussion Different Version of Unix
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What are some of the different versions of Unix? Why is it important to
have different versions of Unix?
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POS 433 Discussion Scripting in Programming

Write a short essay discussing when scripting should be taught to
individuals who are learning software programming. Discuss the
advantages and disadvantages of doing so at specific times in their
learning process.
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POS 433 Discussion Terminating a Process

Write a 200- to 300-word response that discusses the different reasons
for terminating a process and the commands used for this purpose.
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POS 433 Discussion Unix Permissions
Write a 200- to 300-word response in which you provide and explain
some of the different file permissions available within UNIX®. Include
how certain settings can help increase the security of the system.

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POS 433 Week 1 UNIX and Linux Comparison Matrix
(New Syllabus)
Unix®
and Linux®
Comparison Matrix
1. Name three versions of Unix
1. HPUX
2. AIX
3. Solaris
2. Name three versions of Linux
1. Red Hat Enterprise Linux
2. Suse Linux Enterprise Server
3. Ubuntu

3. Describe 3 major differences between Unix and Linux
1. Licensing; Linux is all GPL, while UNIX varied between
commercial and BSD license
2. Users: Linux originally developed for home users while UNIX was
developed for servers.
3. Filesystem: Standard FS on Linux is EXT(3/4) while varies on
UNIX from JFS2 to UFS2 to ZFS.
4. Linux, technically, is not an OS, UNIX is. Linux is a kernel,
surrounded by packages.
4. Which of the following is not a UNIX or Linux variant
a. SunOS
b. RedHat
c. DOS
d. HP-UX
e. Debian
Technically I think you want C: DOS, though I would argue that DOS is
a ripoff of CP/M which itself was very much akin to UNIX.
5. Use the command to change directory locations.
a. cd

b. rm
c. mkdir
d. cut
A: cd
6. Use the command to delete a directory.
a. delete_dir
b. mkdir
c. rmdir
d. cat
C: rmdir, though this will only work if the directories are empty. Rm –
rfdir works otherwise.
7. Which of the following are text editors? (Choose all that apply.)
a. vi
b. emacs
c. ls
d. cat
A and B : Though why anyone would choose emacs over vi is beyond
me. ls lists dirs., and cat displays a file, but you specified ‘editor’.

8. The command creates a directory named winchester in the root
directory.
a. mkdir /winchester
b. mkdir ../Winchester
c. mkdir winchester
d. md /Winchester
A. / specifies root, and UNIX is case sensitive.
9. The command allows you to change directory locations to a child
directory named child1.
a. mkdir ƒ child1
b. cdƒ ../ child1
c. cd child1
d. cdƒ /
C:. Obviously.
10. The command that deletes a file.
a. rmdir
b. cd
c. rm
d. pwd

C: The only one that is for file removal.
11. The command displays your present working directory.
a. cat
b. cd
c. touch
d. pwd
D: pwd.
12. The system directory contains the Linux kernel.
a. /boot
b. /root
c. /dev
d. /var
A: /boot, generally.
13. The in the vi editor allows you to save and quit the program.
a. :wq
b. q!
c. w!
d. !

A: write then quit.
14. The command to rename a file is .
a. mv
b. cp
c. del
d. rename
A: mv and D: rename which has been available since 2000.
15. The command to make a duplicate of a file.
a. mv
b. cp
c. del
d. rename
B: cp, for copy.
16. In vi, the command to change to insert mode is:
a. o
b. O
c. i
d. d

C: i. which inputs text before the cursor and B: O works as well to insert
a newline before current line, and A: o for newline after current line.
17. In vi, the command to remove a character is:
a. o
b. O
c. i
d. x
D: x.
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POS 433 Week 1 UNIX® and Linux® Comparison
Matrix

POS 433 Week 1 UNIX® and Linux® Comparison Matrix
Instructions
Assignment Preparation: Activities include completing the SkillSoft
course, independent student reading, and research.
Complete the “Choosing UNIX Shells” module in the SkillSoft course,
“UNIX Fundamentals: Shell Scripting Basics.”
UNIX® and Linux® Comparison Matrix located on the student website.
Unix® and Linux® Comparison Matrix
Directions: Choose three different versions of the UNIX® or Linux®
operating systems to compare. Insert the three chosen versions and fill
out the requested information in the Components column.
UNIX® or Linux® operating system version: <Insert your chosen
version>
Components Your response
Role of shell
Three features and roles of each feature
Comments on security

Comments on administration
Comments on networking
Comments on performance
Comments on programmability
Other
version>
Role of shell

Other
version>
Role of shell

Other
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POS 433 Week 2 File Processing Commands Worksheet
Instructions

§ Complete the “navigate a filesystem, create a file, set permissions,
create and delete files, and assign ownership and permissions” modules
in the SkillSoft course, “Working with UNIX Files and Directories.”
File Processing Commands Worksheet located on the student website.
File Processing Commands Worksheet
§ What UID and PID have the highest amount of physical memory a
process has used and is not swapped out?
§
§ Show all processes and full output.

§ If using a long listing and no process modifiers, what is the swap
space amount for the bash command?
§ When using top command, what command would you use to kill a
process?
§ If you were not using top command, what command would you use to
kill a process?
§ What command would you use to manually mount the standard CD-
ROM device /dev/db1 at /media/disk?
§ What command would you use to display the amount of available disk
space on /dev/db1 in a human readable form?
§ Type in the command grep – – help to access the help manual. Using
this information and the information from the text, how would you write
a command to find the pattern 111 in a file called txt?
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POS 433 Week 2 Learning Team UNIX®, Linux®, and
Windows Server® Critique and Presentation
Preparation Part I
POS 433 Week 2 Learning Team UNIX®, Linux®, and Windows
Server® Critique and Presentation Preparation Part I
Instructions
Develop a plan for completing the Week Five Learning Team
assignment.
Submit the plan to the instructor.

Determine what research is needed to complete the written critique and
presentation due in Week Five.
Assign at least one research component to each team member.
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POS 433 Week 2 Linux Directory Log (New Syllabus)
Here is the assignment:
1. Open a terminal and show the log how you create the following: (5
marks)
A. Create 2 directories under your home, account1 and account2
B. Change your directory to account1
C. Create 2 directories called checking1 and savings1
D. Go to checking1 directory
E. Using touch command, create two files c1.dat and c2.dat
F. Change your directory to savings1 using relative path

G. Using touch command, create two files s1.dat and s2.dat
H. Go to your home directory
I. Change your directory to account2
J. Create 2 directories called checking2 and savings2
K. Go to checking2 directory
L. Using touch command, create two files c3.dat and c4.dat
M. Change your directory to savings2 using relative path
N. Using touch command, create two files s3.dat and s4.dat
O. Change to account1 directory
2. Show the commands for the following. (5 Marks)
(Each carries 1 mark from A to E and in each one mark, ½ is for the
command and ½ for the output)
A. You are now in account1 directory. Copy s1.dat to this directory
using relative path. Show the new file that copied with ls command
from this directory. Do not change the directory.
Ans:
B. Move c1.dat to savings1 directory using relative path as s1.dat.
Show s1.dat with ls command from this directory. Do not change
the directory.
Ans :

C. Change your directory to savings2 using absolute path. Show the
current directory after you changed.
Ans:
D. Copy c2.dat to your sibling directory, checking2 using relative
path (Sibling directories have same parent) (Also do not use ~ ).
Show c2.dat with ls command from this directory, do not change
the directory .
Ans:
E. Move s4.dat to savings1 directory using absolute path. Show s4.dat
with ls command from this directory, do not change directory
Ans:
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POS 433 Week 2 Linux® Directory Log

POS 433 Week 2 Linux® Directory Log
Instructions
course above, independent student reading, and research.
Linux® Directory Log located on the student website.
Linux® Directory Log
To: <Insert your facilitator’s name>
From: <Insert your name>
Date: <Insert the date (XX/XX/XXXX)>

Directions: As you complete each of the following steps, keep track of
what occurs at each point, including what you type, the output given,
and if you experience any errors. Record the occurrences in the
following matrix.
1. Open a terminal.
2. Create a new group called mygroup. Hint: /usr/sbin/groupadd.
3. Create a new folder and name it your first name.
4. Get a directory listing of the home folder using the long listing
format.

5. Modify the permissions on your new folder to set read, write, and
execute permissions for the user and group.
6. Get a directory listing of the new folder using the long listing and
human readable format. (ls –lh)
7. Use Gedit or VI to create two files (txt and myfile2.txt) and save
them in the new folder. Add a paragraph of your own liking to each file.
8. Get a regular format directory listing of the new folder.

9. Change the ownership of txt so the owner is mygroup and the
group is mygroup.
10. Get a directory listing of the new folder using the long listing and
human readable format.
11. Change the permissions on txt using the following: user:read and
write, group:read and write, and owner: read, write, and execute. Set the
sticky bit. Use Octal s to set these.
13. Get a directory listing of the new folder using the long listing
and human readable format.
14.
15. *************************************
16.
(New Syllabus)

1. I am now in $HOME/sales/east directory. I want to have my login
shell display me today’s date whenever I login every time by telnet.
For this, what steps I have to do? (1/2)
A. $ vi .profile
Type one line : echo "Today’s date is `date`"
$ chmod +x .profile
$ . .profile
B. $ cd ../..
$ vi .profile
$ export .profile
$ .profile
C. $ cd $HOME
$ vi .profile
$ . .profile

D. $ vi ~/.profile
Type one line : echo "Today’s date is "date"
$ . .profile
Ans:
2A. Why I am getting this error when I assign like this ? (1/2)
$ FIRST-NAME=smith
ksh: FIRST-NAME=smith: not found.
Ans:
2B. Under ksh or bash shell environments, what is the problem here ?
(1/2)
$ export PATH=/usr/bin /usr/local/bin /usr/ucb/bin
Ans:
3. Executing cp temp/temp1 temp1.txt it will result in... (1/2)
A. Error since the same filename is used
B. Error since an extension is used for the second temp1
C. It will move the contents of temp1 from directory temp to temp1 of
current directory and when finished it will erase the contents of temp1
of temp directory

D. It will copy temp1 from directory temp to temp1.txt of current
directory
Ans :
4. What kind of files will be matched by the following when you list by
ls command: (3)
For Ex :
$ ls [a-z][0-9]
Ans : This matches any file with 2 characters, first being a lower case
letter and the second being a number from 0 to 9
A. ls [0-9][a-z][0-9][A-Z] -- Note : there are no
spaces anywhere.
Ans:
B. ls [A-Z0-9_][A-Za-z_0-9] -- Note : there are no spaces
anywhere.
Ans:
C. ls [0-9]Z[0-9]
Ans:

5. What is the command to list files in a directory: (2)
A. Having only three alphabets:
Ans:
B. Starting with a digit and ending with a digit
Ans:
6. There are many C programs in my directory which have an extension
of .c (ex :first.c, second.cetc).
How can I concatenate all C files into one file called "myC_files (1)
Ans :
7. How do you sort first 15 lines in a file called 'datafile" ? (1) (You
need to use a pipe)
Ans:
8. How do you add a line to the end of an existing file "myfile" with date
stamp. (1)
Ans :
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Preparation Part II
Server® Critique and Presentation Preparation Part II
Instructions
Review the results from the Learning Team to ensure that all elements of
the assignment have been fully researched.
Complete and submit the outline of the final Learning Team paper.
Begin developing the rough draft of the critique due in Week Five.urse

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POS 433 Week 3 Linux® Script Worksheet
POS 433 Week 3 Linux® Script Worksheet
Instructions
Complete the SkillSoft course, “UNIX Fundamentals: Shell Scripting
Basics” (ID:lu_unix_a02_it_enus)

Linux® Script Worksheet located on the student website.
Linux® Script Worksheet
Before beginning the Linux® Script Worksheet, update the PATH
variable to add your folder from last week. You will find how to do this
on p. 134 of Linux® Command Line and Shell Scripting Bible.

Linux® Script 1
Requirements
In the same folder as last week, create a new file titled
week3prog1[name].scr.
Change the permissions on this new file to add the execute bit for user,
group, and owner.
Edit your new file using Gedit or VI and change it so it performs the
following actions:
• Display the date.

• Display the words Hello World.
• Display information about users that are currently logged in.
Note. Remember to include #!/bin/bash as the first line of your script.
Save the file and type your file name to execute.
Source Programs
<Insert your source code here.>
Output Results
<Insert the output here. Use a screenshot of the output with the input
requirements specified in the assignment.>

Linux® Script 2
Requirements
In the same folder as last week, create a new file called
group, and owner.
following actions:

• Using a line after #!/bin/bash, take the output of the ps –e
command and pipe it to the sort command.
• After it has been piped to the sort command, redirect that output
to a file called psfile.
Source Programs
Output Results
Linux® Script 3

Requirements
In the same folder as last week, create a new file called
group, and owner.
Create two files.
• File1 has one line with the value of 5.
• File2 has one line with the value of 100.

following actions:
• Read the values from the two files above (file1 and file2).
• Divide the value from file2 by the value in file1.
• Output the result of this calculation to a new file called file3.
Source Programs
Output Results

4. What is the difference between the following commands? (1)
$ who | grep 'mary'
and
$ who | grep '^mary'
Ans:
5. We know that all user information is stored in /etc/passwd where
fields are delimited by a colon. Display only their userids using cut
command. (userid is the first field in /etc/passwd file) Show only top 10
userids. (1)
Ans:
6. Create the following four files chapter1, chapter2, chapter3, chapter4
in your current directory and enter the following text:
Chapter1 :
This is the first line in this file
This chapter deals with the basic information of a UNIX system.
Chapter2 :
This chapter deals with Unix System info and shell introduction.
Chapter3 :

This is the first line in this File System
This chapter deals with various Unix Systems.
Chapter4 :
This chapter deals with kernel system.
The question is to search for a string "System" or "system" in the above
files. Use wild cards in both pattern and file searching. (1)
Ans:
7. Show these commands and output:
A. Redirect man pages of ‘find’ command to a file called,
find_manpages in /tmp directory.
B. Display lines not having the word “version” in the above file.(1)
(½ is for the command and ½ for the output)
Ans:
8. Which command of the following is correct ? (Some may work but
does not make sense). (1)
a. cat file file> file3 | wc -l
b. cut -d ":" filename
c. ls -l | grepunixmyfile
d. head filename | tail

e. find name "myfile.txt" -print
9. We know that ls -l command shows all the files in the current
directory. How do you display only the directories, not files in the
current directory. (You have to use ls command, but not find command)
(1)
Ans:
10. How do you set only read permissions to user, group and others in
octal mode for a file "myfile.txt" ? (1)
Ans:
11. You observed that some of your group members are fiddling with
your file "myfile" and you wanted to remove the read permission to
your group. How do you do? (1)
Ans:
12. Here is the long listing of a file.
-rw-rw-rw- 2 Y435678 odms 22 Sep 02 12:03 myfile.txt
Is the above a file or a directory? To which group does it belong? (1)
Regular file, Y435678
file, Y435678
file, odms

directory, odms
directory, Y435678
Ans :
13. Here is another long listing of a file. (1)
-rw-r----- 1 Y435678 odms 20 Sep 02 17:03 file.txt.
What are the owner permissions?
read, execute
read, write
write, execute
all since s/he is the owner
Ans:
14. The file users_data has the following contents : (1)
Tom Smith 7.00 15 105.00
Rob Sheryl 8.00 20 160.00
Ken Bradman 7.00 13 91.00
Peter Smith 6.00 15 90.00
Dennis Smith 8.00 13 104.00
Tom Dave 9.00 12 108.00
How do you sort the above file and redirect the output to another file
called sortedusers

Ans :
15. How do you list only duplicate lines in a file "myfile" (1)
Ans :
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Preparation Part III
Server® Critique and Presentation Preparation Part III
Instructions

Continue working on your critique due in Week Five.
Complete and submit the draft of your final paper.
Begin developing the presentation due in Week Five
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POS 433 Week 4 Systems Administration Scripting Log
POS 433 Week 4 Systems Administration Scripting Log
Instructions

Complete the SkillSoft course, “Working with UNIX Programs.”
Systems Administration Scripting Log located on the student website.
Systems Administration Scripting Log
As you complete each of the following steps, keep track of what occurs
at each point, including what you type, the output given, and any errors
experienced. Submit this information in a log to your instructor for this
week’s assignment. Your log can use the sample format provided, or you
can create your own.
1. In the same folder as last week, create a new file titled
2. Change the permissions on this new file to add the execute bit for user,
group, and owner.
3. Run the following script:
1. #!/bin/bash

2. count=1
3. echo “start of the program”
4. while [ $count -le 10 ]
5. do
echo “Loop #$count”
sleep 10
count=$[ count + 1 ]
1. done
2. echo “end of the program
4. Modify the program to add a trap for SIGINT and SIGTERM.
5. Save the script and then run the script in the background.
6. Use the jobs command to display a list of the jobs currently running.
7. Find the process id of the script and kill the job.
8. Check to see if you get the trap message.
9. Run the script again using the at command to schedule the job in the
future. Wait for the job to run to make sure it executes.
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Windows Server® Critique (2 Papers)
This Tutorial contains 2 Papers
Server® Critique
Instructions
Finalize and submit the UNIX®, Linux®, and Windows Server®
Critique.
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Windows Server® Presentation (2 PPT)
This Tutorial contains 2 Presentations
Server® Presentation
Instructions
Finalize and submit the UNIX®, Linux®, and Windows Server®
Presentation
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POS 433 Week 5 Linux Script Worksheet (New Syllabus)
Linux®
Script 1 (2 Marks)
Requirements
Create a new file called week5prog1.sh with vi or pico editor.
Edit your new file using VI and change it so it performs the following
actions:
 Display the date
 Display your system information using “uname –a “ command
 Display your username and id using “id” command
 Display your current directory
Save the file and type your file name to execute.
Source Programs:
Insert your source code here.

$ cat week5prog1.sh
Output Results:
Insert the output here. Use a screen shot of the output with input
requirements specified in the assignment.
1. Give execute permission to the user, group only
Run the script and show the output here
Linux® Script 2 (2 Marks)
Requirements
Create a new file called week5prog2.sh with vi or pico editor.
Edit your new file using VI and change it so it performs the following
actions:
• Display the date
• Display your system information using “uname –a
“ command
• Display your username and id using “id” command
• Change your directory /tmp

• Display your current directory
• Search Mary in the passwd file in /etc directory
• If the search is success, display that Mary is an user in this
system
• Otherwise display that Mary is not in the system
You need to use “grep”, “if” , “else” “$?”
Requirements
Here is the question:
Some commands like cp, mv, mkdir need arguments. Similarly this
script needs only two arguments. If user enters no arguments or one
argument or three or more than 3 arguments, it displays error message
like “You need to enter two arguments “ If user enters two arguments, it
displays the arguments in reverse order .
Create a new file called week5prog3.sh with vi or pico command
Edit your new file using vi and write the script: Create a new file called
week5prog3.sh with vi or pico command.
• Display the date
• Display your system’s host name “hostname “ command

• Display your username using system variable “USER”
• If user enters no arguments or one argument or three or more
than 3 arguments, it displays error message like “You need to enter two
arguments “
• If user enters two arguments, it displays the arguments in
reverse order .
Requirements
Create a new file called week5prog4.sh with vi or pico editor
Here is the question:
Write a program which displays 4 options to the user and asks the user
to enter one option and displays the output depending on the choice. If
the user enters any other character, display error message that he has to
enter only a, b, c or d
a. Current date and time
b. No of users currently logged in
c. List of directories in PATH variable
d. Your login name using “LOGNAME” variable
(hint : Use the case statement and read the option with read command)

Source Programs:
Insert your source code here.
$ cat week5prog4.sh
Output Results:
Insert the output here. Use a screen shot of the output with input
requirements specified in the assignment.
1. Give execute permission to the user, group only
2. Run the script and show the output here with the following inputs
each time when the scripts prompts like
1st Run : Enter an option : a
2nd Run : Enter an option : b
3rd Run : Enter an option : c
4th Run : Enter an option : d
5th Run : Enter an option : x
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POS 433 Week 5 UNIX® Networking (1 Paper and 1
PPT)

This Tutorial contains 1 Paper and 1 Presentation
POS 433 Week 5 UNIX® Networking
Instructions
§ Complete the “File Sharing with NFS and Samba” modules in the
SkillSoft course, “UNIX Fundamentals: Network Administration.”

Assignment: Find a current article about UNIX® Networking. Write a 1-
2 page paper discuss the article and its relevance to the course
*************************************

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