Linux Help commands

Type

• Role

Displays the command type (built-in command or external command).

• Parameters

The command name.

Help

• Role

View Internal command help.

• Parameters

The internal command name.

Man:manual

• Role

View the command manual.

• Command Manual Chapters

1-user command (/bin,/usr/bin,/usr/local/bin).

System call.

3-C Library functions.

4-Equipment and special files.

5-file format (configuration file syntax).

6-game.

7-Miscellaneous (Miscellaneous).

8-System Management tools and Daemons (/sbin,/usr/sbin,/usr/local/sbin).

• Shortcut keys

SPACE: Turn back one screen.

B: Turn one screen forward.

ENTER: Turn back one line.

K: Turn the line forward.

/keyword: Looking backwards.

N: Next.

N: The previous one.

? KEYWORD: Looking forward.

Q: Exit.

• Content classification

Name: A brief description of the command names and functions.

Synopsis: Usage notes, including available options.

DESCRIPTION: A detailed description of the command function, which may include the meaning of each option.

Options: Describes the meaning of each option.

Files: The configuration file associated with this command.

BUGS: Defect whereabouts.

EXAMPLES: Use the example.

See ALSO: Another reference.

Info:information

• Role

Read the command development information.

Linux Help commands