For those who don't know, there are several executable formats where smaller programs can be written. For instance, a .COM executable (a legacy format now [2]) can be written in just 20 bytes [1].<p>In the case of the Portable Executable (PE) format, 97 bytes is certainly an impressive feat.<p>[1]: <a href="http://www.gnostice.com/nl_article.asp?id=225&t=The_Smallest_Hello_World_Program_At_20_Bytes" rel="nofollow">http://www.gnostice.com/nl_article.asp?id=225&t=The_Smallest...</a><p>[2]: <a href="http://en.wikipedia.org/wiki/COM_file" rel="nofollow">http://en.wikipedia.org/wiki/COM_file</a>