In Unix edition 5 or 6 when you tried to use "mv" on a directory ending with a dot it would print out the message 
values of β will give rise to dom!
Dennis Ritchie has an explanation at http://cm.bell-labs.com/cm/cs/who/dmr/odd.html. Unfortunately it was removed in version 7 and dosen't seem to be in any modern unixes.

In reply to Re: Funny Messages in OSS by MrNobo1024
in thread Funny Messages in OSS by Anonymous Monk

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