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I want to thank you for taking Unix for Mac OS X Users. Over the course of this training title we've come a long way, from simply changing directories in the command line all the way to power user techniques. And don't worry if it takes a while for some of these commands become a routine. Remember that you always have the man pages to remind you of the command syntax and its available options. I've been using Unix for 20 years and I still look up things all the time, and those built-in man pages? They're also one of the best resources for you to continue advancing your Unix skills. One point that I hope you've picked up on while we we're learning is that Unix is as much a part of your Mac as the Finder is. In fact Unix is what makes the Finder possible.
The Finder is a layer of convenience that sits on top of Unix. So when you want convenience, use the Finder. When you want power, use Unix. And when you can switch back and forth, and integrate both in your workflow then you can work faster and get more power out of your computer. And you may not appreciate it at first but the Unix is the most fundamental building block of the Internet and all modern computers. Concept such as shells, user ownership or permissions, directing standard input and output, controlling processes, regular expressions, all these things show up in other operating systems, applications, and programming languages.
Now that you know about them, you'll begin to notice how often they come up. Unix was first and everyone built on its solid foundation, so by becoming comfortable in Unix you've not only empowered yourself as a Mac user, you've given yourself a computer literacy that can be applied to hundreds of other uses.
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