Emacs: View Info Page

Emacs has extensive documentation, in a format called Texinfo. The Texinfo document has a tree structure, and allow embedded links, similar to HTML.

To view info doc, start emacs, then, Alt+x info 【Ctrl+h i】. Once you are in the Info doc, you can use the mouse or keyboard to navigate.

Info Mode Keys

Here's most useful info keys:

Quit:

• quit info → q

Link navigation:

• goto Next Link → Tab
• Visit Link → Enter

Page navigation:

• Back (last node) → l
• Forward → r
• parent node (up) → u
• previous node → p
• next node → n

Search:

• search → s

Help:

• view help → h
• list keys → Ctrl+h m

Search Emacs Help

• Alt+x emacs-index-search
• Alt+x elisp-index-search

Open a Info File in Info Mode

If you have a info file that's not listed in the index, you can open it in info by Alt+x universal-argument then info 【Ctrl+h i】. Emacs will prompt for a path.