http://kerneltrap.org/node/5875
another easter egg from windows xp (mine is sp2 us version):
1. open notepad
2. write '.LOG' (without quotes)
3. save the file (not SAVE AS, just plain save), any name is valid
4. close the file
5. open it
you'll notice windows has inserted an entry containing hour and date
hope this helps ^_^
Julio