newslog(5) on Linux
The text 73c8c9bf428a, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 3.0 (Woody), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo) shipped it.
description of Usenet log files