There are numerous IT references out there, and system administrators seem to have bookshelves full of technical books and manuals. Yet there are <A HREF="http://searchdatacenter.techtarget.com/tip/0,289483,sid80_gci1310029,00.html?track=sy185&asrc=RSS_RSS-16_185">many resources that sys admins are not consulting,</A> but should. There are many topics a system administrator should read about, but probably hasn't. None of these areas are particularly technical--which is partially the point.