A number of commands are available for controlling the output of an application running under AUC TeX
Command: TeX-kill-job
(C-c C-k) Kill currently running external application. This may be either of TeX, LaTeX, previewer BibTeX etc.
Command: TeX-recenter-output-buffer
(C-c C-l) Recenter the output buffer so that the bottom line is visible.
Command: TeX-home-buffer
(C-c C-h) Go to the `master' file in the document associated with the current buffer, or if already there, to the file where the current process was started.