tunefs is a unix command that allows the sysadmin to make changes to certain parameters that affect how files are written to disk in order to optimize disk performance.

the you can tune a filesystem, but you can't tune a fish joke has been standard in the tunefs man page on BSD systems for ages. It, like whether fortune is installed, is a good test of how stuffy your OS vendor is.

Extra-geeky note: On SunOS, there used to be a comment in the troff source code for the man page right before the "tune a filesystem" joke. The comment said, take this line out, and a unix daemon will dog your steps from now until the time_ts wrap around . Presumably, this was to keep the business-droids from removing the joke. Both joke and comment were gone in Solaris, suggesting that Sun has gotten a lot more stuffy over the years.

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