Using the GNU info command
The next source of documentation in Linux is GNU info pages, where the topics are connected using hyperlinks. The documentation contained in info pages can be read through the command line using info or pinfo commands, or with the help of a graphical utility. Some commands and utilities have both info and man documentation, but info documentation will usually be more in-depth.
The topic viewed in the info page is known as a node. Each node can include menus and subtopics known as items. Item names are prefixed with an asterisk (*) symbol. You can browse through the topic list using the regular keys (the arrow keys, Page Up and Page Down). The following table lists the most commonly used keys for navigation inside ...
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