Assign the librefs and set the graphics environment. REFLIB is the permanent library that is used to store the data set. The second LIBNAME statement associates the libref GFONT0 with the SAS data library in which the font catalog is stored. 
libname reflib 'SAS-data-library';
libname gfont0 'SAS-data-library';
goptions reset=global gunit=pct border cback=white
         colors=(black blue green red)
         ftext=swiss htitle=6 htext=3;