Translations:Handbook:Parts/Working/Portage/47/en

To keep the system in perfect shape (and not to mention install the latest security updates) it is necessary to update the system regularly. Since Portage only checks the ebuilds in the portage tree, the first thing to do is to update the Portage tree. When the Portage tree is updated, the system can be updated using. In the next example, the  switch is also used which will tell Portage to display the list of packages it wants to upgrade and ask for confirmation: