Apple Symbols is a font introduced in Mac OS X 10.3 "Panther." This is a TrueType font, intended to provide coverage for characters defined as symbols in the Unicode Standard. It continues to ship with Mac OS X as part of the default installation. Prior to Mac OS X 10.5, its path was /Library/Fonts/Apple Symbols.ttf. From Mac OS X 10.5 onward, is to be found at /System/Library/Fonts/Apple Symbols.ttf, meaning it is now considered an essential part of the system software, not to be deleted by users. The version of the font as of Mac OS X 10.5 is 6.0d7e4.