And Portage, if it can't get the lock, just waits for it to be free. So whereas on Ubuntu, two competing apt commands cause one to fail, with no real recourse

And Portage, if it can't get the lock, just waits for it to be free. So whereas on Ubuntu, two competing apt commands cause one to fail, with no real recourse except a very nightmarishly long investigation resulting in the above article, in Gentoo, two competing commands … just … work.