How to use Linux man help

How to use Linux man help

How to use Linux man help

1.
The numeric meanings after man's query:
1. commands or executable files that can be operated by the user on the shell switch Server
2. Functions and tools at the core of the system
3. Some common functions and libraries, most of which are c function libraries (libc)
4 hardware file description, usually/dev/File
5. configuration files or some file formats
6 games)
7. Conventions and protocols, such as linux file system, network protocol, and ASCIIcode
8. commands available to the system administrator
9. kernel-Related Files

CentOS installation Chinese man Manual

2.
Man page is roughly divided into the following parts:
NAME: Description of simple commands and data names
SYNOPSIS: Brief Introduction to command syntax (sysntax)
DESCRIPTION: A complete DESCRIPTION. Read the DESCRIPTION carefully.
OPTION: description of all available options listed in SYNOPSIS
COMMANDS: COMMANDS can be used in this software when the software is being executed.
FILES: FILES used or referenced or linked to this software or data
See alse: For more information about this command, SEE
EXAMPLE: some examples for reference. It is best to use
BUGS: whether there are related BUGS

3.
Man-related operations
Ctrl + F or Page Down: Flip Down
Ctrl + B or Page Up: Page Up
Gg to the first line
GG to the last line
/Start: Search for start-related characters in the entire manual, use n to find the next character, and use N to find the previous character.
J, k is used in the same way as vi. j is used in one row down and k is used in one row up.
D. half page
U half page
H. Get man help
Q: Exit man.

4.
Man's configuration file man. conf
MANPATH/usr/man: set the path for storing man files.
MANPATH/opt/*/man: to set

5.
Man-f command: You can find other man help commands in the system, such as man. The system will prompt different help methods, such as 1, 1, p, 7, and 5.
The man-k command is not spelled: This helps when we use the complete command,
For example, if you forget the iptables command, you can only remember ipta. Then you can use man-k ipta. The system displays the commands including ipta on the screen.

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