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Before you jump in and start learning the ins and outs of shell scripting I want to take just a minute

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to tell you what to expect over the next few lessons.

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The first shell script you're going to write in this course creates new user accounts in that script

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you're going to make sure the person who executes the script has the proper privileges to do so and

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you're going to make sure the specified account was created successfully if for some reason the account

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creation process fails.

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We're going to let the person running the shell script know that's the first milestone you're working

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toward.

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After you complete that initial script you're going to expand it and make it better by automatically

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generating random passwords accepting command line arguments and so on.

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Now that you know what you're trying to accomplish you'll need to learn all the concepts and techniques

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to build that script and complete your first project.

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Having a goal in mind and a project to implement will actually help you learn and retain the material

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instead of just randomly teaching you some commands and throwing various shell scripting tips at you

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and then leaving it up to you to imagine when you might use those commands and techniques you'll actually

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understand how why and most importantly when to use everything you're taught.

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You'll start out using these new skills to accomplish meaningful work in a relatively short period of

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time.

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With that said over the next four lessons I'm going to be performing some demonstrations and doing a

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good bit of teaching but just know that everything you're introduced to is needed in order to write

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and use that for script.

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If you are itching to dive in right away you can follow along with me during those lessons.

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Keep in mind if you do that you're probably going to be making good use of the pause button to give

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yourself enough time to type up the scripts try out the commands and so on.

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By the way all the scripts you'll see and the lessons are included in the course download so you can

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quickly refer back to them without having to read watch the entire lessons.

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If you choose to simply watch and absorb all the information coming at you during the next four lessons

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that's perfectly fine too because you'll get to practice those skills while working on the first scripting

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exercise after those first four initial lessons you're going to get some very clear instructions on

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what the shellscript should do and how it should work.

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Then you'll go off in a write and test that shellscript on your own.

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Of course you can refer to any of their previous lessons and demonstration scripts to help you complete

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that script after you write your script you'll get a chance to see me work through the exact same exercise

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you'll look over my shoulder as I write the shell script.

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So that's what's in store for you.

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All right.

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Enough background information.

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Let's get to scripting.