eix - a set of utilities for searching, diffing and updating a binary cache of your local portage-trees How to use it to search the full name of the package to search the full name of the package but only in the installed packages to search the term in the description of the package update-eix generates a binary cache from your local portage-tree and overlays. eix-sync can sync the portage/overlay trees Options * -h, --help Print a help screen and exit. * -V, --version Print version and exit.