What are the advantages and disadvantages of being able to modify UNIX?

What are the advantages and disadvantages of being able to modify UNIX?

Perform exponentiation in interactive scripts using the read command to accept two variables and then raise one to the power of the other

I am using KNOPPIX. Please also provide the step by step instructions so that I too can try and do these excercises. Project 5-5 In this project, you will perform exponentiation in interactive scripts using the read command to accept two variables and then raise one to the power of the other. Once the answer is displayed, you will unset all variables using the unset command. 1. Log in to the Linux system as a user, and then open a Terminal emulation window. 2. Create a script named Project5-5 in the $HOME/bin directory. 3. Declare three variables as integer, x, y, and A. Read x and y in from the keyboard. Compute the answer, A, as x raised to the yth power, and then display the ... click for more

Convert pseudo code that uses a decision structure into a shell script

Also I am trying to append my newly created PS1 Command Prompt to a file how do I do that? Please also Provide the step by step instructions so that I too can try and do these excercises. Project 6-4 In this project, you will convert pseudo code that uses a decision structure into a shell script. The script then will accept three grades, calculate an average, and then display a letter grade based upon the average. You will need to use either the (if) statement or the (case) statement to implement this script. 1. Log in to the Linux system as a user, and then open a Terminal emulation window. 2. Create a shell script named Project6-4 in your $HOME/bin directory. 3. Convert the fo... click for more

How important is UNIX to the Internet?

In a few paragraphs please give some examples as to the importance UNIX is to the Internet?

Java and UNIX

Does anyone know the answer why would Java advocates support UNIX?