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A short tutorial on Linux file permisions...
What we want to concentrate on right now is the first bit, drwxr-xr-x. This string of characters lists the full permissions of the file or directory. It is also important to know the next two strings (in this case both are jlwallen) are the user and group associated with the file.
Let’s go back to the permissions string. The first character, d, means the listing is a directory. Now, instead of looking at the next portion of the string as a single group, think of it as three groups:
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