Server config/directory

"Well I'm cold and I'm homely but I'll come around" (need to be more professional but Stewart Copeland is making it difficult) Ella fitzgerald and All the Things you Are too.

The way you guys will answer my question I could go into the theory of how why she sings so great (it's all in the rhythms and how she SOUNDS like a fucking horn instrument, different ones when she chooses), and some of it I can't explain because it's music. But that's my sphill.

OK so after some of my questions on linux on here I hesitate to ask questions. I get it now. Not a n00b, not a power user, just more comfortable doing some of the things osx decides are too hard (and windows as well to a lesser extent, plus unix based). It's awesome. My os of choice for these tasks.

So when you have a directory like the one below first of all what is that in a file hierarchy sense? I've seen these URLs exist as in or

How is this hierarchy set up and should I, as an essentially amateur developer consider it?

I've considered creating another directory (i.e. contact/validate or contact/mail so they don't know my extensions. Which are obviously PHP. I know there are other ways I can Gerrymander it when I learn PHP well, I kind of do this on my own time but I get paid to get it ready for whoever does that (if I can't learn it).

I have other questions about security but I will bring those after I go over some videos someone gave me and will know specifics and ask for textbooks. Textbooks would be killer as in what you guys had (if applicable). If you already can say database x project you would need x or no database x project you need this textbook I'll buy them.
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This "" is not a directory, that could be a file name.

Directories have slashes, either forward for *nix operating systems or backwards for windows, separating the levels of a directory.

However you also mention a URL, if that is what you are looking at, then "" would be the fully qualified host domain name part of a URL.

In distributed world (Windows, *nix, BSD, ect.) typically a file name is made of 2 parts, the last part of the file name tells you what type of file it is, like:

    txt -  text file
    html - hyper text markup language file
    php - php file
    pl -  perl file
    sh - is a *nix shell command file
    pdf - portable document file

There are lots of file types of files.  Normally the first part of a file name describes what the file is, as an example GroceryList.txt could be a text file that contains a grocery list.

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burnedfacelessAuthor Commented:
Thanks, will try not to post after happy hour.

I do a lot of thinking work on my own time.
I've done some of my best system design during happy hour. : )
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