Someone we affectionately refer to as "Blake" recently remarked:

>On Sat, 12 Mar 2005 17:59:26 +0100, Hilaire Fernandes 
><hilaire at ext.cri74.org> wrote:
>
>>We are preparing the next freeduc-cd release 
>>(http://www.ofset.org/freeduc-cd) which is a knoppix based 
>>distribution  dedicated for education.
>>We want to include Squeak in this release, however because of the 
>>nature  of this system, we will need the VM Squeak to run over 
>>read-only .image  and .change. It looks like Squeak can handle it, 
>>and it only complains  at start up.
>
>There are some new session-CD-based Linuxes (Linices?), too, that 
>allow  you to save stuff onto the CD itself. I think there's a 
>Knoppix-based one,  even. (Doesn't solve your problem but might be 
>of interest.)

Here's an example:
http://www.goosee.com/puppy/multi-puppy.htm

Jazzmynn