as400 wrote:
So...do most of the Mainframes that run transactions such as billing
statements and credit card processing, do those mainframes mostly run
on Linux?
Thanks
Most systems that are running on mainframes are not running on Linux.
They are running z/OS, z/VM, z/VSE, z/TPF or there predecessors. Linux
on IBM mainframe hardware is relatively new and still being developed.
What I believe most sites are doing are using Linux on the mainframe
under z/VM to host many Linux images for Web servers, dns servers,
virtual routers, etc. I remember that there is an ISP somewhere in
Europe that replaced over 750 Sun SPARC servers with one 2-way z/800 for
all of its server functions. I seem to remember that they upgraded to a
4-way and were up to about 1500 virtual Linux images.
There is a college in NY, Marist College, that runs a few hundred Linux
images. All of the "servers" that the students use for the computer
classes are actually virtual Linux images on the colleges mainframe.
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