“One of technology’s dirty little not-so-secret secrets is that
Microsoft has been using open-source software since the early ’90s
in its TCP/IP network stack.“Now, however, Microsoft has finally confessed to using
open-source in a forthcoming product: Windows Server 2003 Compute
Cluster Edition…”
Related Story:
eWeek:
Open Source Code Finds Way into Microsoft Product(Sep 16,
2005)