“Yahoo and Walnut Creek CD-ROM, two of the Web’s busiest sites,
run on FreeBSD.”
“Like Linux, the BSD Unix uses an open-source model… Linux is
protected by the GNU Public License… you can’t modify the source
code without releasing the changes to the rest of the world. The
Berkeley license… does let you make proprietary changes…”
“BSD/OS has… the best technical support and services. FreeBSD
is the most popular of the set and has the most applications that
directly support it. NetBSD supports the most platforms, and
OpenBSD is the only free operating system that addresses security
and encryption issues in detail…”
“Linux, however, beats out all of the BSDs in terms of native
device and ISV support. BSD, in response, is embracing Linux
programs…