IBM is expanding the authorized use of an IBM® System z® Integrated Facility for Linux® feature (IFL). As of November 18, 2008, an IFL may be used for execution of the OpenSolaris operating system in addition to or instead of the Linux operating system, respective OpenSolaris or Linux workloads, z/VM®, and z/VM applications in support of either operating system.
http://www-01.ibm.com/common/ssi/index.wss?DocURL=http://www-01.ibm.com/common/ssi/rep_ca/5/897/ENUS108-875/index.html&InfoType=AN&InfoSubType=CA&InfoDesc=Announcement+Letters&panelurl=index.wss%3F&paneltext=Announcement%20letter%20search (watch for URL wrap....) -- DJ V/Soft z/VM and mainframe Linux expertise, training, consulting, and software development www.vsoft-software.com
