Is there a way that does not involve a lot of time (because it is a purely cosmetic issue) to turn the Mac R GUI in the Monokai color scheme? Best F -- Federico Calboli Ecological Genetics Research Unit Department of Biosciences PO Box 65 (Biocenter 3, Viikinkaari 1) FIN-00014 University of Helsinki Finland federico.calboli at helsinki.fi