bulletin vs text file

bulletin

noun
  • A short printed publication, especially one produced regularly by an organization. 

  • A short report, especially one released through official channels to be immediately broadcast or publicized. 

  • A news item or short news report. 

intj
  • Introduces an obvious fact of which the person addressed is ostensibly not aware. 

verb
  • To announce something by means of such a report or publication. 

text file

noun
  • A data file containing only plain, human-readable text, distinct from documents with embedded formatting 

  • A data file in a character encoding that allows it to be read in non-specialised text editor. 

How often have the words bulletin and text file occurred in a corpus of books? (source: Google Ngram Viewer )