David Filo says, FreeBSD has been extremely stable for us. We’ve seen over 180 days of uptime on a machine serving over 4 million HTTP requests per day. Performance has been impressive too. With disk striping using ccd we’ve been able to serve over 12 million HTTP requests per day on a PPro200 with 128MB of memory. One of the only negative things we’ve found with FreeBSD has been the lack of third party software. Fortunately this is changing, but there’s still a long way to go. The only way for this to change is for Yahoo! along with other organizations to convince the software vendors that there is a big enough market for their products. Read more.