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POS 433 Week 5 Linux Script Worksheet Recent

  • POS 433 Week 5 Linux Script Worksheet Recent
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POS 433 Week 5 Linux Script Worksheet Recent

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” “$?”

 

Linux® Script 3 (3 Marks)

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 .

Linux® Script 4 (3 Marks)

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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