PC Week: Open-source survival

“Can the open-source software movement survive its own success?
Red Hat Software has announced it will go public, with plans to
raise about $100 million from the market. Red Hat today makes money
by shipping and supporting its own public-domain version of Linux.
As a public company, critics have asked, won’t Red Hat be
tempted to make proprietary extensions to its version of Linux
for which it can charge a premium? Could Linux then be considered
an open-source technology?

Complete story.