Selected set (Portage)

Whenever a user triggers a software installation (through emerge ) the software's package category and name are registered in the selected file. Later, when a world update is requested (through emerge -uDN @world or similar), Portage will use this file as the base for its update calculations.

If you want to add a package to the world set without recompiling, use:

If you want to install a package without adding it to the world set, use: