: B ur ial s ▁at ▁Holy ▁Cross ▁C emetery , ▁C ul ver ▁City ▁Category : Bus iness people ▁from ▁Sac r amento , ▁California ▁Category : West ern ▁( gen re ) ▁film ▁direct ors ▁Category : Fil m ▁direct ors ▁from ▁California <0x0A> </s> ▁R ational ▁Clear Case ▁is ▁a ▁family ▁of ▁computer ▁software ▁tools ▁that ▁supports ▁software ▁configuration ▁management ▁( SC M ) ▁of ▁source ▁code ▁and ▁other ▁software ▁development ▁assets . ▁It ▁also ▁supports ▁design - data ▁management ▁of ▁electronic ▁design ▁artifact s , ▁thus ▁en abling ▁hardware ▁and ▁software ▁co - development . ▁Clear Case ▁includes ▁revision ▁control ▁and ▁forms ▁the ▁basis ▁for ▁configuration ▁management ▁at ▁large ▁and ▁medium - s ized ▁business es , ▁accommod ating ▁projects ▁with ▁hundreds ▁or ▁thousands ▁of ▁developers . ▁It ▁is ▁developed ▁by ▁IBM . ▁ ▁Clear Case ▁supports ▁two ▁configuration ▁management ▁models : ▁U CM ▁( Un ified ▁Change ▁Management ) ▁and ▁base ▁Clear Case . ▁U CM ▁provides ▁an ▁out - of - the - box ▁model ▁while ▁base ▁Clear Case ▁provides ▁a ▁basic ▁infrastr ucture ▁( UC M ▁is ▁built ▁on ▁base ▁Clear Case ). ▁Both ▁can ▁be ▁configured ▁to ▁support ▁a ▁wide ▁variety ▁of ▁needs . ▁ ▁Clear Case ▁can ▁accommod ate ▁large ▁binary ▁files , ▁large ▁numbers ▁of ▁files , ▁and ▁large ▁repository ▁sizes . ▁It ▁supports ▁branch ing , ▁label ing , ▁and ▁version ing ▁of ▁directories . ▁ ▁It ▁uses ▁the ▁Multi Version ▁File ▁System ▁( M V FS ) ▁which ▁is ▁a ▁virtual