> I just can't understand why "emerge -- depclean" such a dangerous > command can exist or i do it in a wrong way(although i think i am > right).
Have you seen the big fat warning that says "emerge --depclean may damage your system" ? "--depclean" is a nice service for advanced users. It's nothing for beginners. You should know, why it does - and how it does what it does. Well, --depclean start with all the packages in your world-file (/var/lib/portage/world) and then it visits all the dependencies and the dependencies of the dependencies of the packages. All the packages, that are installed but that are not in the world file or not a dependency, these packages are removed. --depclean _may_ remove packages that are still in use, because of use-flags were changed, faulty ebuilds, ... So use it with care. > Does this ever happened to you? No, i'm using it with much much care.
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