Abbreviation for 'end of file,' a computing term marking the point where data or a document ends.
Modern acronym from English 'end' + 'of' + 'file.' Emerged with digital computing in the mid-20th century as computers needed signals to mark data boundaries.
EOF is one of those boring-sounding technical terms that's actually philosophically interesting—it marks the boundary between what exists (the file) and what doesn't, making it a kind of digital death.
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