Hercules: An open-source emulator of S/370 and ESA/390 which runs under Linux on a Pentium PC.
Linux for S/390: Linux has joined the S/390 family of operating systems bringing a wealth of open source applications, middleware and trained talented developers to help you respond to your business challenges quicker than ever before.
Linux for S/390: Home of Think Blue Linux Distribution with RPMs of Linux applications for the S/390.
Linux for S/390: An IBM sponsored site at Marist College, provides precompiled kernel and disk images, installation instructions, and a QuickStart guide. A good place to got when you are ready to install Linux/390.
Linux for S/390: Official Linux on S/390 site with links and downloads.
Linux on Mainframe: Linux on Mainframe resource with technical articles,news,user account,message board and lot more..
Linux on S/390 project: The founders of Linux on S/390? They developed a LINUX on VM (the first?)
Linux Resource Management and OS/390 Expectations: Resource Management means applying ACL quotas on all computing resources, as OS/390 users are used to doing. Linux (and Unix) has some RM capability being worked on.