Linked by Thom Holwerda on Thu 23rd Jul 2009 22:53 UTC, submitted by Remy Chi Jian Suen
Editorial So, Microsoft submits 20000 lines of code to the Linux kernel, all licensed under the GPL. Microsoft, who considers Linux a great threat, and once called the GPL a "cancer". Opinions on this one are flying all around us, but what does Linus Torvalds, Linux' benevolent dictator, think about all this?
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RE[5]: Embrace Extend Extinguish
by SReilly on Fri 24th Jul 2009 12:35 UTC in reply to "RE[4]: Embrace Extend Extinguish"
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Why oh why would IBM use AIX for Mainframes? High end UNIX servers yes, Mainframes definitely not! UNIX is neither stable nor secure enough to be run as a Mainframe OS.

The only bit of UNIX code in zOS is the sandboxed UNIX subsystem, used to enable TCP/IP support in the operating system. In no way does that subsystem have access to the rest of the system without jumping through security hoop after security hoop first.

There are specific processors built in to the Mainframe where the sole reason is to run Linux, but the only reason they are there is so that businesses can run a FLOSS stack on their Mainframes in a sandboxed environment. Mainframe software usually costs a fortune to buy and maintain, the price of which makes the cost of the hardware pail in comparison, so being able to run Tomcat on zLinux is far cheaper than say Websphere on zOS.

But if IBM where to announce the replacement of zOS with AIX, I can guarantee that customers would no longer be renewing their contracts.

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