Red Hat System Administration I
In this lab, you will browse GNU Info documentation using command-line tools.
Outcomes
Understand program documentation in the GNU Info node system.
Perform the following steps on serverX unless directed otherwise.
Invoke pinfo without arguments.
[student@serverX ~]$pinfoNavigate to the
Common optionstopic.Use UpArrow or DownArrow until
(coreutils) Common optionsis highlighted. Press Enter to view this topic.Browse through this info topic. Learn if long-style options can be abbreviated.
Use PageUp and PageDown to navigate through the topic. Yes, many programs allow long options to be abbreviated.
Determine what the symbols
--signify when used as a command argument.The symbols
--signify the end of command options and the start of command arguments in complex commands where the shell's command-line parser might not correctly make the distinction.Without exiting pinfo, move up to the
GNU Coreutilsnode.Press u to move up to the top node of the topic.
Move up again, to the top topic.
Press u again. Observe that when positioned at the top of a topic node, moving up returns to the directory of topics. Alternately, pressing d from any level or topic will move directly to the directory of topics.
Search for the pattern
nanoand select that topic.Press / followed by the search pattern “nano”. With the topic highlighted, press Enter.
In the
Introduction, locate and selectCommand Line Options. Browse the topic.Press Enter to select
Introduction, then DownArrow and Enter to selectCommand Line Options. Use the arrow keys to browse the topic.Move up one level to return to
Introduction. Move to the next topic.Press u to move up one level. The new location will be
nano's topic1 Introduction. Now press n. You will have moved tonano's topic2 Editor Basics.Exit pinfo.
Press q to quit pinfo.
Invoke pinfo again, specifying
nanoas the destination topic from the command line.[student@serverX ~]$pinfo nanoSelect the
Editor Basicstopic.Press DownArrow to highlight
Editor Basics, then press Enter to select this topic.Read the
Entering TextandSpecial Functionssubtopics.Use arrow keys to highlight a topic, PageUp and PageDown to browse the text, then press u to move up one level. Press q to quit pinfo when you are finished.
