Linux Learning Path: 2. Basic instruction (2)

First, online Help: Man page and Info page

1.man (Manual: Operating Instructions) page

I want to view the calendar, so I enter the man cal

Effect

In the Figure Cal (1), the meanings of the numbers in the different instructions are different, such as the following three more important:

Code	Representative content
1	Commands or executables that a user can manipulate in a shell environment
5	The configuration file or the format of some files
8	Administrative commands available to system administrators

The more important five items in the man page are:

Code	Content Description
NAME	Short command, Data name description
DESCRIPTION	A more complete description
OPTIONS	Description of all available options listed
Fiies	Some of the files used or referenced by or connected to this program or data
See ALSO	Other instructions related to this instruction or data

2.info page

Info (split the file data into a single paragraph, each paragraph is written with its own page, and a "HYPERLINK" to a page similar to each page jumps to a different page, each individual page is referred to as a node, {node})

Note: The description file of the query target data must be written in info format to be able to use the special features of info.

For example: I want to query info, so enter info info

Effect

The meaning of the information in the picture:

File: The data representing the info page is provided from the Info.info file.

Node: This also sells your nodes.

Next: Represents the next node name

Up: Go back to the top node overview interface

PREV: Previous Node

You can see that there are four bars in the menu, you can move the cursor to the text or "*" by using the left and right buttons, and press ENTER to go to the section. You can also press the TAB key to quickly move the cursor between the nodes in the upper interface.

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Linux Learning Path: 2. Basic instruction (2)