Package info

A stand-alone TTY-based reader for GNU texinfo documentation

http://www.gnu.org/software/texinfo/

The GNU project uses the texinfo file format for much of its
documentation. The info package provides a standalone TTY-based
browser program for viewing texinfo files.

General Commands
Command Description
info read Info documents
install-info update info/dir entries
File Formats
File Description
info readable online documentation