Linux Journal: An Introduction to GraphViz

“GraphViz is a collection of tools for manipulating graph
structures and generating graph layouts. Graphs can be either
directed or undirected. GraphViz offers both graphical and
command-line tools. A Perl interface also is available, but it is
not covered here for reasons of generality. Graphical tools are not
going to be discussed in this article either. Instead, this article
focuses on using GraphViz from the command line.

“Some users like to use command-line tools instead of graphical
ones, because command-line tools can be used with a scripting
language. This means you can create scripts that create dynamic


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