On Tue, Jun 12, 2007 at 04:57:42PM +0100, Peter Corlett wrote: > Well, for performance, what you want is a full web service where > your various shell accounts can all register updates to the history > as each line is entered. Thus enabling an exciting Web 2.0 mash-up service: "People who typed 'rm -fr /' also typed 'man -k undelete'" Tom