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Hold down Alt and type 3 on the numeric keypad, I think.

In Windows, you can type characters in the Latin1 character set by holding down Alt, then typing a zero on the numeric keypad, then the code you want, such as Alt+0233 for "é". The leading zero disambiguates Latin1 characters from the traditional DOS character set, so you'd have to type Alt+130 to get the same character that way.

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Another Easter Egg was “mkdir Alt+255”, which created a directory with the name of the ASCII code 255 which is blank on the command line terminal. Tools like DIR would skip them so you could hide files in there

I just saw a demo of this the other day clicking around YouTube.

In later versions of windows you could change the folder icon to be an empty image, then have it on your desktop where nobody could see it.

Hiding it on the desktop is one of those things that seems like genius until some random Windows thing decides to do a desktop cleanup and rearranges your icons.

ALT+255 also made the directories inaccessible in Win9x. Couldn't open them in explorer, for instance, without renaming to remove the special character.

Heh, that one in particular I remember well from wanting to spell Pokémon correctly as a kid

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