Sean Michael Kerner says, the open source FreeBSD operating system is out with its first major update in nearly a year. FreeBSD 7.1 includes numerous improvements over its predecessor FreeBSD 7.0, including Sun Microsystem-developed Dtrace technology as well as new boot options and scalability improvements. The FreeBSD 7.1 release comes as FreeBSD developers push toward a FreeBSD version 8.0 later this year. The FreeBSD 7.1 release also demonstrates how the open source ecosystem can extend across company lines as well different operating systems. FreeBSD is one of the earliest open source operating system projects and is a direct descendant of the original open source BSD work performed at the University of California, Berkeley. “DTrace is a mature and compelling technology for performance monitoring developed originally by Sun, released as open source as part of OpenSolaris,” FreeBSD core team member Robert Watson told InternetNews.com. “While we have had many tools for specific sorts of analysis in the past, DTrace is an excellent general-purpose framework for managing and presenting trace data, and also allowing us to more easily add new types of tracing.” Read more.