this is first question

Consider this assignment and post your opinion on the following:

In your opinion, what are the advantages/disadvantages of being able to write a program that will run multiple commands, instead of having to type each on the command line.

this is second question

In the process of scripting, there will be many cases where the use of variables will be required, not only in scripting, but to establish a set of variables and configurations for a working environment. For this Discussion Board, explain how environment variables work, meaning

how they are set and how they are referenced, and explain the concept of scope with respect to the life of a variable.

The following are the deliverables for this Discussion Board:

Discuss how environment variables work and are used.

Explain how variables are set.

Discuss the life cycle of a variable.

If applicable, adhere to APA guidelines when creating in-text citations and references. Your assignment should be free of grammatical errors, use complete sentences and give specific details that support your statements.