IBM Systems Magazine, Power Systems - December 2014 - 15

hat do Facebook,
Amazon and Google
have in common?
They all run on Linux*. The
open-source software project is
the largest of its kind. Far from
being a sideline for a collection
of hobbyists, Linux is supported
by a veritable who's who of
major computer and electronics
companies. Of the more than
3,700 developers who made
around 92,000 changes and
improvements to Linux last
year, 80 percent were employerpaid and frequently assigned
to Linux full-time. Consistently
appearing in the list of the top 10
corporate Linux contributors over
the last decade is IBM, which
last fall made a billion-dollar
commitment to Linux for the
second time in its history.
The OS is supported by big
business because Linux powers
big business. It lies at the core of
banking, retail, government and
communications organizations.
It runs eight out of 10 online
trading platforms. It underlies
much of the global economy and
the Internet.
"It's become the basis of almost
every aspect of our modern
technical lives," says Jim Zemlin,
executive director of the Linux
Foundation, which hosts the
project. "About 95 percent of the
world's supercomputers operate
on Linux, as do the majority
of embedded systems. You run
across Linux every single day and
you probably don't even know it."
Much of its value is driven by
its open-source nature. Linux

W

k
Linux
Snapshot
17 million lines
of code
10,000
developers from
1,000 companies
have contributed
since 2005
2 million lines of
code added in
2013 alone
3 to 4 releases
per year with
new features and
patches
80% by paid
developers
Currently on
release 3.10
IBM in top 10
of contributors

is freely available to all users,
not just to apply but to explore,
right down to the source code.
The approach brings to bear an
amount of intellectual capital
that simply can't be equaled by a
proprietary effort. A proprietary OS
might be the focus of hundreds of
developers; over the course of its
existence, Linux has been buoyed
by the efforts of more than 10,000
developers, all seeking ways to
improve the code and make it more
effective and resilient.
After a release, the development
team doesn't wait around for
customer feedback to start making
changes for the next iteration
or patch vulnerabilities the way
a proprietary team might. With
Linux, the development team
is the customer, and when they
find a bug or want a feature that
will better support their products
and services, they can not only
report it, but also write the
fix themselves.
"In many ways, Linux solves
a lot of the problems the CXO
deals with, including how to get
the most reliable, cost-effective
software at the highest level of
service possible while having
access to the source code to be able
to make changes when necessary,"
Zemlin says.
Today, much of the Linux
code comes from professional
programmers paid by their
employers to work on the project.
IBM has teams of developers
dedicated full-time to improving
the software. In part, it's a
recognition of the value of Linux
to the global economy but also

to its customer base-and to
the company itself. Watson*,
for example, runs on the
Power Systems* platform with the
Linux OS. The combined efforts of
the open-source community freed
IBM to focus on innovation, not
software infrastructure.
Of course, there's another layer
to participation in the effort. The

Takeaway
s ,INUX LIES AT THE CORE OF
business and underlies much
of the global economy and
the Internet.
s 4HE /3 IS SO UBIQUITOUS THAT
most people use it every day
without even knowing it.
s )"-ÇS SERIOUS COMMITMENT TO
,INUX INCLUDES MONEY TIME AND
DEVELOPERS AND THE COMPANY
is one of the top 10 corporate
contributors.

more involved IBM is in improving
Linux, the more effectively it can
ensure the OS runs well on IBM
hardware, and vice versa. It's a
case of enlightened self-interest
that's replicated throughout the
Linux developer community.
The collaborative development
optimizes the OS for nearly every
computing platform available, from
x86 boxes and mobile computing
platforms to the mainframe and
the Power Systems platform.
"IBM, working in its own best
interest, optimizes Linux for the
Power Systems platform, and Intel*

ibmsystemsmag.com DECEMBER 2014 // 15


http://www.ibmsystemsmag.com

IBM Systems Magazine, Power Systems - December 2014

Table of Contents for the Digital Edition of IBM Systems Magazine, Power Systems - December 2014

Table of Contents
Editor's Desk: A work of art
IBM Perspective: The value of Linux on Power
Techbits: Noble Nobel work
Partner PoV: Online services are critical to your business success
Case Study: Flash Flood: National Flood Services dramatically decreases job runtimes by moving to IBM Flex System and Flash storage
Cover Story: The Power of Open Source: The Linux Foundation's Jim Zemlin on the OS and IBM
Feature: Power Shift: Clients find a winner when they explore the differences between Linux on commodity servers and Linux on Power
Trends: IBM as a service offers serious benefits
R&D: IBM Research looks to simplify cloud connectivity and lower costs
Solutions: Robot SCHEDULE 12; TURNOVER; Two Factor Authentication; WebSmart 10.5; MDCMS 7.2; Navigator MAX; InterMapper 5.8; iResetMe Release 2; Business i
Snapshot: Steve Pitcher
Reference Point - Global Events, Education, Resources for Power Systems
2015 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems - December 2014 - Intro
IBM Systems Magazine, Power Systems - December 2014 - Cover1
IBM Systems Magazine, Power Systems - December 2014 - Cover2
IBM Systems Magazine, Power Systems - December 2014 - 1
IBM Systems Magazine, Power Systems - December 2014 - Table of Contents
IBM Systems Magazine, Power Systems - December 2014 - 3
IBM Systems Magazine, Power Systems - December 2014 - 4
IBM Systems Magazine, Power Systems - December 2014 - Editor's Desk: A work of art
IBM Systems Magazine, Power Systems - December 2014 - IBM Perspective: The value of Linux on Power
IBM Systems Magazine, Power Systems - December 2014 - Techbits: Noble Nobel work
IBM Systems Magazine, Power Systems - December 2014 - Partner PoV: Online services are critical to your business success
IBM Systems Magazine, Power Systems - December 2014 - 9
IBM Systems Magazine, Power Systems - December 2014 - Case Study: Flash Flood: National Flood Services dramatically decreases job runtimes by moving to IBM Flex System and Flash storage
IBM Systems Magazine, Power Systems - December 2014 - 11
IBM Systems Magazine, Power Systems - December 2014 - 12
IBM Systems Magazine, Power Systems - December 2014 - 13
IBM Systems Magazine, Power Systems - December 2014 - Cover Story: The Power of Open Source: The Linux Foundation's Jim Zemlin on the OS and IBM
IBM Systems Magazine, Power Systems - December 2014 - 15
IBM Systems Magazine, Power Systems - December 2014 - 16
IBM Systems Magazine, Power Systems - December 2014 - 17
IBM Systems Magazine, Power Systems - December 2014 - Feature: Power Shift: Clients find a winner when they explore the differences between Linux on commodity servers and Linux on Power
IBM Systems Magazine, Power Systems - December 2014 - 19
IBM Systems Magazine, Power Systems - December 2014 - 20
IBM Systems Magazine, Power Systems - December 2014 - 21
IBM Systems Magazine, Power Systems - December 2014 - 22
IBM Systems Magazine, Power Systems - December 2014 - Trends: IBM as a service offers serious benefits
IBM Systems Magazine, Power Systems - December 2014 - 24
IBM Systems Magazine, Power Systems - December 2014 - 25
IBM Systems Magazine, Power Systems - December 2014 - R&D: IBM Research looks to simplify cloud connectivity and lower costs
IBM Systems Magazine, Power Systems - December 2014 - 27
IBM Systems Magazine, Power Systems - December 2014 - 28
IBM Systems Magazine, Power Systems - December 2014 - Solutions: Robot SCHEDULE 12; TURNOVER; Two Factor Authentication; WebSmart 10.5; MDCMS 7.2; Navigator MAX; InterMapper 5.8; iResetMe Release 2; Business i
IBM Systems Magazine, Power Systems - December 2014 - 30
IBM Systems Magazine, Power Systems - December 2014 - 31
IBM Systems Magazine, Power Systems - December 2014 - Snapshot: Steve Pitcher
IBM Systems Magazine, Power Systems - December 2014 - Cover3
IBM Systems Magazine, Power Systems - December 2014 - Cover4
IBM Systems Magazine, Power Systems - December 2014 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems Magazine, Power Systems - December 2014 - 2015 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems - December 2014 - SE2
IBM Systems Magazine, Power Systems - December 2014 - SE3
IBM Systems Magazine, Power Systems - December 2014 - SE4
IBM Systems Magazine, Power Systems - December 2014 - SE5
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