Support.Microsoft.com: How Microsoft Ensures Virus-Free Software [by Using Unix]Apr 26, 2000, 21:21 (8 Talkback[s])
[ Thanks to junkyinny for this link. ]
"Release Insertion Into Manufacturing
"The master is read into a UNIX-based disk duplication system. The system creates an exact disk image of the master, duplicating the format and data. A duplicated masters is created from the original read in image. This silver master is used by the Product Group in their review, before they sign-off. The silver master is not to be used in the Release to Manufacturing (RTM) process. The golden master, delivered by the product group to the release group, is the original image, and is released to manufacturing when the final approvals are received from the product groups."