PowerShell language special characters

I observed in my carrer that most of the people struggle to play with special characters and escape sequence as it is differnet for each language like new line characters.
So here are the special characters used in Windows PowerShell output

Example 

        `0 -- Null
        `a -- Alert
        `b -- Backspace
        `n -- New line
        `r -- Carriage return
        `t -- Horizontal tab
        `' -- Single quote
        `" -- Double quote

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Example

Example 

     Add-Content c:\test\index.html "`nFooter"

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