The middle of the listing show entries for the selectable articles. The number of lines of text in the article. The lines which have textual subjects are the original postings for their thread. To post a public response or follow-up. N Goes to the next subscribed newsgroup with unread articles.
P Goes to the previous subscribed newsgroup with unread articles.
G news.group Goes to a specifc newsgroup. Can be used to subscribe to new newsgroups. Will show you only articles with a specific subject. Will show you only articles from a specific person. M Mails a copy of the current article to somebody.