The COPY and EXCLUDE statements copy everything except three LOG entries and PASSIST.SLIST from PERM.SAMPLE to WORK.TESTCAT. The EXCLUDE statement specifies which entries not to copy. ET= specifies a default type. (ET=) specifies an exception to the default type. 
   copy out=testcat;
      exclude test1 test2 test3  passist (et=slist) / et=log;
run;