18.104.22.168 Double Quotes
Enclosing characters in double quotes ('"') preserves the literal value
of all characters within the quotes, with the exception of
'$', '`', and '\'.
The characters '$' and '`'
retain their special meaning within double quotes (see section 3.5 Shell Expansions).
The backslash retains its special meaning only when followed by one of
the following characters:
'$', '`', '"', '\', or
Within double quotes, backslashes that are followed by one of these
characters are removed. Backslashes preceding characters without a
special meaning are left unmodified.
A double quote may be quoted within double quotes by preceding it with
The special parameters '*' and '@' have special meaning
when in double quotes (see section 3.5.3 Shell Parameter Expansion).