Updating bsd 7
Other major changes included an M: N native threading implementation called Kernel Scheduled Entities (KSE).
In principle this is similar to Scheduler Activations.
To avoid these problems, when possible, we recommend migrating to a fresh Free BSD server rather than upgrading in-place.
You may still need to review differences in software configuration when upgrading, but the core system will likely have greater stability.
In Free BSD 7.1 ULE was the default for the i386 and AMD64 architectures.
Free BSD 8 was branched from the trunk in August 2009.
It was the first version to be widely used at the beginnings of the spread of Internet servers.
Free BSD 2.0 was the first version of Free BSD to be claimed legally free of AT&T Unix code with approval of Novell.
Free BSD is constantly evolving; the team is adding new features and patching security vulnerabilities. Fetching metadata signature for 10.3-RELEASE from update6.freebsd.org…
A pluggable congestion control framework, and support for the ability to use DTrace for applications running under Linux emulation were added in Free BSD 8.3.