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Also known as: downloading headers, header fetch
The act of pulling the subject, poster, date and size lines for articles in a group rather than the article bodies. Newsreaders do this with the XOVER or OVER command, often thousands of records per request. A busy binary group can produce several gigabytes of headers, which is why header downloading has largely given way to querying an indexer for NZB files instead.
Browse all terms in NZB Files & Indexing, or see the full Usenet glossary.