"Ever wonder why International Business Machines (nyse: IBM),
the Armonk, N.Y.-based computer behemoth, is selling its machines
with Linux operating system software from Linux distributor Red Hat
Software?"
"The answer is actually very simple--services. Services have
helped the IBM resurgence, even as its hardware sales are sliding
lower. By shipping Linux with its hardware, IBM can now get
additional revenues by providing Linux OS-related services to its
clients."
"According to brokerage firm Merrill Lynch, IBM enjoys about 10%
of the services market and has about $51 billion in backlog on
services contracts."