info

reads documentation in GNU's texinfo format

TLDR

Read manual for command

$ info [command]

Start at top directory

$ info

Go to specific node

$ info -n "[node_name]" [command]

Search in manuals

$ info --apropos=[keyword]

Output to stdout

$ info -o - [command]

Use specific file

$ info -f [file.info]

info reads documentation in GNU's texinfo format. It provides hypertext navigation through structured documentation organized as nodes in a tree.The reader supports navigation between nodes, menus, and cross-references. Common navigation keys: n (next node), p (previous node), u (up), l (last visited), q (quit), / or s (search), Tab (next link), Enter (follow link).

PARAMETERS

MENU-ITEM

Manual page or node to display.

-f FILE

Read specified info file.

-n NODE

Start at named node.

-o FILE

Output to file (- for stdout).

--apropos STRING

Search all manuals for string.

-w, --where

Print location of info file.

--all

Use all matching manuals.

--subnodes

Recursively output menu items.

-k STRING, --index-search STRING

Look up STRING in all indices of all manuals.

--help

Display help information.

INSTALL

sudo apt install info

sudo dnf install info

sudo pacman -S texinfo

sudo apk add texinfo

sudo zypper install info

brew install texinfo

nix profile install nixpkgs#texinfo

CAVEATS

Not all software has info pages. Navigation keys differ from man. Uses Emacs-style keybindings by default. The --apropos search can be slow as it scans all info files.

HISTORY

info was created as part of the GNU project to provide richer documentation than man pages, supporting hypertext features.