Using quotes in Bash

This is probably incomplete, the quote in bash has the following usage:

• Single Quotes (') -  preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
• e.g. echo '\"This Text is writing between two single quotes! $User' will return the original sentence: \"This Text is writing between two single quotes! $User
• Double Quotes (") - preserves the literal value of all characters within the quotes, with the exception of `$', ``', and `\'.
• e.g. echo '\"This Text is writing between two single quotes! $User' will return the sentence: "This Text is writing between two single quotes! Yi

A good Bash scripting tutorial, I need to come back and read it!