OrBacus 3.1.1 with multithreaded version is installed in /grandch/u/GCA/mdc2/OB-3.1.1 you need: setenv OB_INC /grandch/u/GCA/mdc2/OB-3.1.1/include setenv LD_LIBRARY_PATH /grandch/u/GCA/mdc2/OB-3.1.1/lib:$LD_LIBRARY_PATH setenv PATH /grandch/u/GCA/mdc2/OB-3.1.1/bin:$PATH setenv MANPATH /grandch/u/GCA/mdc2/OB-3.1.1/man:$MANPATH -- Alex asim@lbl.gov