Permission fun

Permissions come in three digit numbers:

    First is User, which is generally you
    Second is your Group
    Third is the World

Then the numbers are a combination of

    1 for Execute
    2 for Write
    4 for Read

So 6 means read and write, 7 is all three.

Handy rule of thumb:

    Folders are frequently 755
    Files are frequently 644

Ok now you are dangerous. Go mess everything up.

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