"Love it or hate it, Red Hat commands a significant share of the
world's enterprise Linux revenues. This week on the Linux Planet,
updated versions of Red Hat's enterprise clones were released, even
as Red Hat moved forward with its own plans.
CentOS and Scientific Linux are two of the most popular
community projects that develop clones of Red Hat Enterprise Linux.
This week, both projects issued their respective 5.7 updates,
matching the RHEL 5.7 release.