Chapters: 1: Introduction 2: Simple example 3: Invocation 4: Finer Control 5: X-Y Plots 6: Contour Plots 7: Image Plots 8: Examples 9: Gri Commands 10: Programming 11: Environment 12: Emacs Mode 13: History 14: Installation 15: Gri Bugs 16: Test Suite 17: Gri in Press 18: Acknowledgments 19: License Indices: Concepts Commands Variables | ### 9.3.16: ``help`'
    `help [*|command_name|{- topic}]'
Give help on a command or topic. ``help`' Print a general help message. ``help *`' Prints complete help info. ``help command_name`' Prints help on the command whose name begins with the string ``command_name`'. The string may be several words long; e.g. ``help set`' or ``help set x axis`'. ``help - topic_name`' The minus sign tells Gri that the string to follow it is a topic, not a command. Topics Gri knows about are listed by the one-word ``help`' request.