Specifications

Not all commands and tools have man pages. Some tools use info pages instead,
and some have no documentation at all. For more information about info pages, see
“Using Info Pages” on page 18.
You can also access command information using the help command, and sometimes
information is displayed if you enter the command without options or parameters.
Using Info Pages
Some commands use info pages to display their documentation. Primarily these are
software packages that come from the GNU project. info is a tool for reading Texinfo
les from the command line. To use an info page, enter the info command followed
by the name of the tool:
server:/ mariah$ info emacs
You can navigate to nodes with the cursor and then press Return to go to them,
or type menu followed by the node name. The following commands provide basic
navigation between info nodes:
Key Command Results
n Navigates to the next page
p Returns to the previous page
u Navigates up one level of nodes
l Returns to the last node visited
q Quits the
info program
18 Chapter 1 Introduction to the Command-Line Environment