If executed without an argument (just '/help'), it will send a list of all commands. If executed with an argument (e.g. '/help color'), detailed help about the specified command will be printed.
The syntax for the help command is as follows:
This command has the following arguments:
|Command||Optional. The command you wish to receive information/help about.|
Find below working examples of the help command.
This command will print a list of all Factorio commands.
This command will print information and help about the 'evolution' command.
This command will print information and help about the 'color' command.