Simple Emerge/Portage Tutorial
Emerge is Gentoo Linux's frontend for Portage. Portage is a collection of programs that you can install from a list on your system. Emerge is what you use to install packages from Portage.
To find a package with emerge, type
emerge --search keyword
This should list all matches for your keyword.
Installing a package is simple, just use the following syntax.
Emerge can be used to update your system and 'world' (all your install packages that are not part of the system install). To recompile system with new USE flags and new compiler options, run...