Thanks to customer demand, IBM and Canonical are working on bringing Ubuntu to the Big Blue's z System mainframe. At LinuxCon, IBM and Canonical announced that Ubuntu Linux will soon be running on IBM mainframes.
According to Ross Mauri, IBM's General Manager of System z, and Mark Shuttleworth, Canonical and Ubuntu's founder, this move came about because of customer demand. For over a decade, Red Hat Enterprise Linux (RHEL) and SUSE Linux Enterprise Server (SLES) were the only supported IBM mainframe Linux distributions.
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