1. What are the command(s) to • Assign the variable t the value of 20. • Next, assign the variable s the value of t+30. • Finally, display the contents of t and s to verify you have correctly defined these variables.

LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
5th Edition
ISBN:9781337569798
Author:ECKERT
Publisher:ECKERT
Chapter7: Working With The Bash Shell
Section: Chapter Questions
Problem 15RQ
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1. What are the command(s) to

• Assign the variable t the value of 20.

• Next, assign the variable s the value of t+30.

• Finally, display the contents of t and s to verify you have correctly defined these variables.

2. Switch to your source directory (created in the homework assignment). Display the contents of the PATH variable.

What command would you use to add the current working directory to the PATH variable.

3. After completing the above question list all the different commands that can be used to run the phmenu (in the homework assignment, phmenu was placed in the source directory).

4. What are the commands to • Create a variable called iam and assign the results of the whoami command to it. • Display the contents of the iam variable to verify your results.

5. At the command line, use a for loop that uses the variable sandwiches and then displays a line at a time each of the following sandwiches: chicken, ham, hummus, tomato.

6. Create a script that uses case logic to have someone guess your favorite sandwich, such as tuna. 

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