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dot:tldr:882ac
dot: Display help.
$ dot -?
try on your machine
The command "dot -?" is likely referring to the command line tool "dot" which is part of the Graphviz software package. Graphviz is used to generate graphical representations of graphs and networks from textual descriptions.
The "-?" flag is a common convention to display the help or usage information for a command. So, "dot -?" is used to display the command's help documentation, which provides information about the available options, arguments, and how to use the "dot" command. It can help users understand the syntax of the command and the various features and functionalities provided by Graphviz's "dot" tool.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.