emerge world updates every package you have to the latest version that’s available via source. Read on for a screendump of tastiness.

` root@gentoobox opt # emerge -pv world

These are the packages that I would merge, in order:

Calculating world dependencies …done! [ebuild N ] sys-apps/man-pages-1.70 1,589 kB … ebuild U ] app-portage/gentoolkit-0.2.0 [0.2.0_pre8] 60 kB [ebuild U ] app-misc/screen-4.0.2 [4.0.1-r2] -debug -nethack +pam (-uclibc) 820 kB

Total size of downloads: 173,636 kB `