See: "http://linuxtoday.com/news_story.php3?ltsn=2002-01-29-009-20-NW-SV";
(ed. despite the presence of Gartner it's still a good article) "In an inversion of the usually cutting-edge world of Linux, many of the announcements coming out of the LinuxWorld Conference and Expo this week will have a retro flavor, as companies that specialize in software for the oldfangled mainframe move to embrace the comparatively new operating system. ..."Linux has been a big breath of fresh air for the mainframe," said Giga Information Group mainframe analyst David Mastrobattista. On a scale of one to 10, software companies' enthusiasm for mainframes had for years been down at one or two. "Now that Linux has arrived, I'd put the enthusiasm factor around seven or eight. It's definitely moved into high gear." Gartner Group estimates that 70 companies employ Linux on mainframes for real-world use, with several hundred more evaluating the operating system. Financial services giant and Citigroup subsidiary Salomon Smith Barney is among those using Linux on IBM mainframes, an IBM representative said."
