As a result of the suggestions made on this list, I rebooted into the CLI, checked, and /tmp was completely empty. I then rebooted into the GUI - and /tmp had the same files, by name. But it is no longer reported as 100% full, and there do not seem to be any more problems.
Thanks, guys :-) Lisi -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]