Graphing

gnuplot

plot "filename" with lines title "This is a file"
set xlabel "foo"
set ylabel "bar"

set datafile separator ","

dot file.dot -Tsvg -o output.svg

digraph graph_name {
  A [label="Node A"] // sample comment
  B [label="Node B"]
  A->B [label="commands", fontcolor=red]
  X->Y->Z
}

name	desc
bgcolor	background color
tooltip	mouseover functionality for SVG
URL	clickable link
label	node content
labelURL
image	sets image as node content - JPEG, PNG, GIF, BMP, SVG, or Postscript, image must contain size info
shape	shape of the node