6 examples for emerge

  # Synchronize your Gentoo Portage tree.
emerge --sync
        

  # List which list of packages would require you to install libreoffice without actually installing them:
emerge -pv app-office/libreoffice
        

  # Remove the Gentoo Portage - package named dev-lang/ruby but not its dependencies: 
emerge -C dev-lang/ruby
        

  # Remove a Gentoo Portage - package along with its post-install unrequired dependencies: 
emerge -cav category/package-atom
        

  # Update your Gentoo system (might be neccessary after use flag changes)
emerge -uDN @world
        

  # Clean up system from unneeded packages/dependencies.
emerge --depclean