.TH INTRO 10.1 UCDS .SH NAME intro \- circuit design tools .SH DESCRIPTION Some kind of introduction. .PP All of the programs can take multiple files. There is a strong convention for naming the files; it is highly encouraged but not enforced: .PP .TP .B .g schematic board description file produced by .IR draw or .IR graw . (these are incompatible) .TP .B .j schematic board description file produced by .IR jraw . .TP .B .w netlist, output from .I "draw -w" , .I "jraw -w" , or .IR "graw -w" . .TP .B .pos chip position file, output of .IR "fizz place" . .TP .B .brd board description file including pinholes and special signal pins. .TP .B .pkg package definitions. .TP .B .wx output from .I cdm or .IR cdmglob . .TP .B .fx output of .I "fizz cvt" . .SH SEE ALSO