etc/settings

 #DVI_VIEWER="xdvi -geometry 555x782 -expert -s 9"
 
 #The pdf file viewer
 PDF_VIEWER=acroread
 #PDF_VIEWER=xpdf
-#PDF_VIEWER=xpdf    ##best for Mac users: will open in preferred PDF app.
+#PDF_VIEWER=open  ##best for Mac users: will open in default PDF viewer
 
 #Printer spool command for PS files
 PRINT_COMMAND=lp