Code page 437 is the character set of the original IBM PC (personal computer). It is also known as CP437, OEM-US, OEM 437,[1] PC-8,[2] or DOS Latin US.[3] The set includes all printable ASCII characters, extended codes for accented letters (diacritics), some Greek letters, icons, and line-drawing symbols. It is sometimes referred to as the "OEM font" or "high ASCII", or as "extended ASCII"[2] (one of many mutually incompatible ASCII extensions).
This character set remains the primary font in the core of any EGA and VGA-compatible graphics card. Text shown when a PC reboots, before any other font can be loaded from a storage medium, typically is rendered in this character set.[nb 1] Many fil...