Update console section, as pointed out by Jay.

www/faq.html

@@ -232,7 +232,14 @@
     interact with using the unix <tt>tip</tt> utility. To "tip" to
     "pc1" in your experiment, ssh into <b>users.emulab.net</b>, and
     then type <tt>tip pc1</tt> at the unix prompt. You may then
-    interact with the serial console.
+    interact with the serial console. The console output is also saved
+    for each node so that you may look at it it later. For each node,
+    the console log is stored as <tt>/var/log/tiplogs/pcXXX.run</tt>.
+    This <em>run</em> file is created when nodes are first allocated
+    to an expirement, and the unix permissions of the run files permit
+    just members of the project to view them. When the nodes are
+    deallocated, the run files are cleared, so if you want to save
+    them, you must do so before terminating the experiment. 
     </p>
     <p>
     The Sharks also have serial console lines, but because of the