V10/man/man10/intro.10

.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