Selected set (Portage)

'''The selected set contains the packages the user has explicitly asked to be installed. It is part of the world set together with the system set.'''

Whenever a user triggers a software installation (through emerge ) the software's package category and name are registered in the file.

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

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