Octave Interactive Help Quick Introduction

octave:2> help -i
File: octave.info,  Node: Top,  Next: Preface,  Prev: (dir),  Up: (dir)

   This manual documents how to run, install and port Octave, as well as
its new features and incompatibilities, and how to report bugs.  It
corresponds to Octave version 1.1.0.

* Menu:

* Preface::
* Copying::
* Introduction::                A brief introduction to Octave.
* Invoking Octave::             Command options supported by Octave.
* Expressions::                 Expressions.
* Statements::                  Looping and program flow control.
* Functions and Scripts::
* Built-in Variables::          Descriptions of all built-in variables.
* Arithmetic::
* Linear Algebra::
* Polynomial Manipulations::
* Nonlinear Equations::
-----Info: (octave.info)Top, 307 lines --Top-- Subfile: octave.info-1-----------
Type "q" to quit, "C-h" for help.

• Press Space to page forward,
• Type b to page backward,
• Press together Ctrl-h for help/info on help -i,
• Type m to access a menu item, for example add at the prompt:
  "Menu item:" Nonlinear Equations
  to access the topic of Nonlinear Equations, the sequential keys
  Esc, ?, Enter,
  shows which possible completed words match what you have already typed for the menu item indicating what you need to make the item unique,
  
• Type n to move to next the info node,
• Type p to move to the previous info node,
• Type u to move up to a node,
• Type q to quit interactive help,