Source : Free On-Line Dictionary of Computing

double quote
     
         '"' {ASCII} character 34.  Often used in
        programming languages to delimit strings.  In {Unix} {shell}s
        and {Perl} it delimits a string inside which variable
        substitution may occur.
     
        Common names: quote.  Rare: literal mark; double-glitch;
        {ITU-T}: quotation marks; {ITU-T}: dieresis; dirk; {INTERCAL}:
        rabbit-ears; double prime.
     
        (1995-03-28)