gup(1) on Linux

The text 089fe8b6b35b, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it. The page shows this text now.

A Group Update Program that accepts commands by mail to edit a newsgroup subscription file for subsequent use by news systems such as INN and C-News.

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