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[USENET: acronym for 'Read The Manual']

1. Politer variant of RTFM.

2. Robert T. Morris, perpetrator of the great Internet worm of 1988; villain to many, naive hacker gone wrong to a few. Morris claimed that the worm that brought the Internet to its knees was a benign experiment that got out of control as the result of a coding error. After the storm of negative publicity that followed this blunder, Morris's name on ITS was hacked from RTM to RTFM.