GNU Emacs Manual - Summary of Gnus

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### Summary of Gnus Commands

Reading news is a two step process:

1. Choose a group in the group buffer.
2. Select articles from the summary buffer. Each article selected is displayed in the article buffer in a large window, below the summary buffer in its small window.

Each Gnus buffer has its own special commands; however, the meanings of any given key in the various Gnus buffers are usually analogous, even if not identical. Here are commands for the group and summary buffers:

`q`
  In the group buffer, update your ``.newsrc'` initialization file and quit Gnus. In the summary buffer, exit the current group and return to the group buffer. Thus, typing `q` twice quits Gnus.
`L`
  In the group buffer, list all the groups available on your news server (except those you have killed). This may be a long list!
`l`
  In the group buffer, list only the groups to which you subscribe and which contain unread articles.
`u`
  In the group buffer, unsubscribe from (or subscribe to) the group listed in the line that point is on. When you quit Gnus by typing `q`, Gnus lists in your ``.newsrc'` file which groups you have subscribed to. The next time you start Gnus, you won't see this group, because Gnus normally displays only subscribed-to groups.
`C-k`
  In the group buffer, "kill" the current line's group--don't even list it in ``.newsrc'` from now on. This affects future Gnus sessions as well as the present session. When you quit Gnus by typing `q`, Gnus writes information in the file ``.newsrc'` describing all newsgroups except those you have "killed."
``SPC``
  In the group buffer, select the group on the line under the cursor and display the first unread article in that group. In the summary buffer,
  - Select the article on the line under the cursor if none is selected.
  - Scroll the text of the selected article (if there is one).
  - Select the next unread article if at the end of the current article.
  Thus, you can move through all the articles by repeatedly typing `SPC`.
``DEL``
  In the group buffer, move point to the previous group containing unread articles. In the summary buffer, scroll the text of the article backwards.
`n`
  Move point to the next unread group, or select the next unread article.
`p`
  Move point to the previous unread group, or select the previous unread article.
`C-n`
`C-p`
  Move point to the next or previous item, even if it is marked as read. This does not select the article or group on that line.
`s`
  In the summary buffer, do an incremental search of the current text in the article buffer, just as if you switched to the article buffer and typed `C-s`.
`M-s regexp `RET``
  In the summary buffer, search forward for articles containing a match for regexp.

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