The best way to keep the system clean?

[Erik Cederstrand]

ronggui wrote:
> My problem, many times I install some software from ports, it install
> the dependency software. Then after some time, I find that software
> isn't what I want, and deinstall it. At this point, the dependency
> software isn't necessary as well. Is there a way to clean them
> automatically, like the apt-get autoremove in the Ubuntu system.
> 
> And the related general question is, what's the best way to keep my
> system clean? Thanks.

You're probably looking for ports-mgmt/pkg_cutleaves.

Erik