Adaface Sample Linux Questions

You are working on a Linux system and have recently installed a new program named myprogram. The executable is located in /opt/myprogram/bin/. You want to be able to run this program from any directory in your shell without specifying the full path.

You executed the following command:
            export PATH="/opt/myprogram/bin"

However, when you try to run the program using myprogram, you get the following error message:
            -bash: myprogram: command not found
            
            Which of the following commands can fix this issue and allow you to run the program?

A: export PATH=$PATH:/opt/myprogram/bin/
            B: export PATH="/opt/myprogram:$PATH"
            C: export PATH="/opt/myprogram/bin:$PATH"
            D: ln -s /opt/myprogram/bin/myprogram /usr/local/bin/myprogram

Consider the following directory structure:

You start at /home/user and execute the following commands:

What will be the resulting directory structure?

How many times will the following code will print "Mellow Yellow"?

Our software engineering intern, Wu is looking to use port 4545 on localhost to connect to a remote server called woot.bananas.com on port 80. Which command would you recommend for this?