Was reading the [tunefs man page][tunefs] today while working out how to enable ACLs for a filesystem in [FreeBSD][freebsd]. The last line made me laugh.

> You can tune a file system, but you can’t tune a fish.

The man pages are one of the BSD’s great strengths.

[tunefs]: http://www.freebsd.org/cgi/man.cgi?query=tunefs
[freebsd]: http://www.freebsd.org/