"IBM Corp., NEC Corp., Hitachi Ltd. and Fujitsu Ltd.
announced in May that they would jointly enhance the Linux OS and promote ways
to introduce the results into the Open Source community.
Apparently, a huge "pressure group" has been formed in the world of Linux, the
open-source software. The four firms are in the process of adapting Linux into their
core businesses being operated at an enterprise level with needs for higher
reliability and availability." More at Asia Biz Tech.