Thanks to all who responded to my question. I was able to delete the file last night by resetting attribute flags using chattr. The attribute flags on that file were ALL set! (Actually, this seems somewhat consistent with the group ID getting mysteriously changed to 65535). No other files were affected.
--ken __ Ken Lauffenburger / / __ __ [EMAIL PROTECTED] / / D e b i a n G N U \ \/ / / / __ ____ __ __ \ / / / / / / _ \ / / / / / \ ...Look out Bill, / /___ / / / / ) // (_/ / / /\ \ here comes... (______)(_/ (_/ (_/ \____/ (_/ \_) ________http://www.debian.org________ -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .