How to get command Help under Linux

Friends know that the commands under Linux are thousands, and it is impossible to remember all of them, so we can understand the commands with the help of Linux commands, and let me explain how to get command Help.

To get command help first, we need to know whether the type of command is a built-in command or an external command, the command Type+command can be used to see the type of command, if it is a built-in command, use the help command commands to get commands to get simple command assistance, if it is an external command, Use the command--help command to get a brief help, and you can also view the command manual using the commands Man command commands, which are described in detail in the how-to manuals.

The manual has so many paragraphs,NAME descri[tion OPTIONS Synopsis

EXAMPLES FILES See ALSO, each paragraph represents:

NAME: The paragraph of the command

Descri[tion: A detailed description of the command function

Options: All option

Synopsis: Using formats

EXAMPLES: Using the example

Files: Configuration files related to the current command

See ALSO: Other manuals available

Friends can read the manual according to the need to use the command, I said there is a problem I hope you can correct me, I am also a beginner.

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How to get command Help under Linux