FreeBSD: The Power to Serve
Source Code Distribution
FreeBSD Source Code
Available on CD
Can be downloaded from ftp.freebsd.org
Changes to the source code
Can be updated using CVS
Can be updated using CVSup (faster CVS)
Changes can be automatically e-mailed in, and integrated with your local source
tree
Can be browsed, with history, on the web, at
http://www.freebsd.org/cgi/cvsweb.cgi