No, Apple Network Servers run AIX... They're from the days when IBM, Motorola, and Apple worked so closely on the PowerPC that the Apple Network Servers really did run AIX... Anyways, the front ends for Cray's, at least in the 80's, were VAXen, DEC had a deal with Cray to sell VAXen specifically as Cray front-ends. I gave all my Systems and Options catalogs away, but some of them did have the VAX front-end systems in them... Will J _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp