“Open Source is changing the software industry. It will change
it forever. There is no going back. Let’s consider some statistics.
A number of Open Source products are market leaders: Apache is the
leading Web Server (Netcraft shows it having about 70% of market).
Sendmail is the leading email server (a survey done in Oct 2001
showed Sendmail at 42% followed by Microsoft Exchange at 18% and
Unix qmail at 17%). BIND is the dominant DNS product, servicing
over 70% of all Internet domains. PHP is the leading Server-side
Scripting Language. (in June 2002, PHP surpassed Microsoft’s ASP,
used by over 24% of the sites on the Internet). OpenSSH is the
Internet’s leading implementation of the SSH security protocol with
66.8% of the market. And of course there is Linux which is
gradually becoming the dominant server OS…”