Reliability
FreeBSD
FreeBSD is extremely robust. There are numerous testimonials of active servers with uptimes measured in years. The new Soft Updates file system optimizes disk I/O for high performance, yet still ensures reliability for transaction based applications, such as databases.
Linux
Linux is well known for its reliability. Servers often stay up for years. However, disk I/O is non-synchronous by default, which is less reliable for transaction based operations, and can produce a corrupted filesystem after a system crash or power failure. …
