Linux Basics-linux getting commands Help

Get help with the use of commands

Internal command:

Help COMMAND

[[Email protected] etc]# type cd

CD is a shell builtin

[[email protected] etc]# Help CD

CD:CD [-l|-p] [dir]

Change the shell working directory.

External command:

COMMAND--help

[Email protected] etc]# type mkdir

mkdir Is/bin/mkdir

[Email protected] etc]# mkdir--help

Usage: mkdir [options] ... Directory...

Creates a directory if the specified directory does not exist.

Command manual: Manual

Info COMMAND

Whatis COMMAND

Mans COMMAND

Mans:

Name: command names and features brief description

Synopsis: Usage Notes

DESCRIPTION: Command function

Options: Explaining the meaning of each option

Files: This command-related configuration file

BUGS:

EXAMPLES: Using the example

See ALSO: Reference

<>: Required

[]: Optional

|: Choose one More

{}: Grouping

Man command to view page flipping

N: Next page

N: Previous Page

Flip Screen

Back: SPACE

Forward: b

Line backward: ENTER

Forward line: K

Find

/keywork: Backwards

N: Next

N: Previous

？ Keywork: Forward

N: Next

N: Previous

Q: Exit

This article is from the "James Zhan Linux Advanced ops" blog, so be sure to keep this source http://jameszhan.blog.51cto.com/10980469/1872777

Linux Basics-linux getting commands Help