found the answer, kind of. env variable is LD_LIBRARY_PATH. in csh it's: setenv LD_LIBRARY_PATH /misc/coneyisland/ut2004 patches/ut2004.3323/System/:$LD_LIBRARY_PATH -- TimSpeltz is an object { Color = Sr. Technical Director, FX Xform = Blue Sky Studios Phone = 914.259.6331 }