This is the file .../info/dir, which contains the
topmost node of the Info hierarchy, called (dir)Top.
The first time you invoke Info you start off looking at this node.

File: dir,	Node: Top	This is the top of the INFO tree

  This (the Directory node) gives a menu of major topics.
  Typing "q" exits, "?" lists all Info commands, "d" returns here,
  "h" gives a primer for first-timers,
  "mEmacs<Return>" visits the Emacs manual, etc.

  In Emacs, you can click mouse button 2 on a menu item or cross reference
  to select it.

* Menu:

netCDF scientific data format
* netcdf: (netcdf).             The NetCDF Users Guide
* netcdf-c: (netcdf-c).         The NetCDF C Interface Guide
* netcdf-cxx: (netcdf-cxx).     The NetCDF C++ Interface Guide
* netcdf-f77: (netcdf-f77).     The NetCDF Fortran 77 Interface Guide
* netcdf-f90: (netcdf-f90).     The NetCDF Fortran 90 Interface Guide
* netcdf-install: (netcdf-install).
                                The NetCDF Installation and Porting Guide
* netcdf-tutorial: (netcdf-tutorial).
                                The NetCDF Tutorial