- /var/db/pkg
- /var/lib/portage
- baselayout
- bash
- binutils
- gcc
- glibc
- python (I unmerged python... ensuing problems....)
- coreutils ([topic=688061]Killed my coreutils -- HELP[/topic])
- acl and attr if coreutils is compiled with USE=acl. Check with equery uses coreutils (emerge doesn't work after attr is unemerged!)
- portage (see bug [bug=244975]244975[/bug])
- libpcre if grep is compiled with USE=pcre (as [post=5903315]explained[/post] by chithanh)
- eselect-python
- gmp (see bug [bug=308461]308461[/bug])
Post comments on this FAQ to [FAQF] SA5: Things to not unmerge or remove.
2004-10-21: Portage-2.0.51 updates
2010-03-15: Added portage, libpcre, eselect-python,and gmp. -- desultory
