I would suggest moving this conversation (which I personally find very interesting) to the DECtec mailing list, which can be found at http://dectec.info sampsa On 15 Jan 2013, at 00:25, Clem Cole <clemc at ccc.com> wrote: On Mon, Jan 14, 2013 at 5:08 PM, Brian Schenkenberger, VAXman- <system at tmesis.com> wrote: DEC C I/O is just a wrapper around RMS Please take this off list if you want to continue to discuss it.