Translations:/etc/portage/make.conf/90/en
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A USE flag may be temporarily set on the command line to check what effect it will have, before writing it to the world file: USE="[USE flag to test]" emerge --pretend --verbose --update --deep --newuse world
A USE flag may be temporarily set on the command line to check what effect it will have, before writing it to the world file: USE="[USE flag to test]" emerge --pretend --verbose --update --deep --newuse world