http://www.ibm.com/software/news-alert/20011231/lnxwttru/
In Consulting Times, a network service provider running Linux** on IBM mainframe systems fills in the numbers behind IBM's "Server Heist" ad. Using the optional IBM Integrated Facilities for Linux, a Linux groupware solution costs US$2.02 per user per month, compared to $8.65 for a Microsoft Exchange / Intel solution.
