Add a new server (gnus-server-add-server).

Edit a server (gnus-server-edit-server).

Browse the current server (gnus-server-read-server).

Return to the group buffer (gnus-server-exit).

Kill the current server (gnus-server-kill-server).

Yank the previously killed server (gnus-server-yank-server).

Copy the current server (gnus-server-copy-server).

List all servers (gnus-server-list-servers).

Request that the server scan its sources for new articles (gnus-server-scan-server). This is mainly sensible with mail servers.

Request that the server regenerate all its data structures (gnus-server-regenerate-server). This can be useful if you have a mail backend that has gotten out of synch.