Command-Line Basics

1. Linux commands

An instruction or program used to implement a class of functions

The execution of the command depends on the interpreter (for example:/bin/bash)

2. Classification of LINUX commands

Internal command: Part of the Shell interpreter

External command: A program file that is independent of the shell interpreter and has an executable file corresponding to the command name under a path in the file system

1,linux command format

command word [options] [parameters]

[] indicates that content is optional

Option: If it is a single character, use-# ls-l

If it's a word, use --# ls--color

Multiple single-character options can be combined with one-# ls-l-h = # LS-LH

2,tab Key

Command completion

Path completion

Determine whether commands and paths are wrong

Backslash "\": Force line break

Cursor Jump:

CTRL + A: Skip to the beginning of the command

Ctrl + C: Discard the currently edited command line

Ctrl+e: Jump to the end of the command line

Ctrl+u: Delete the cursor to the beginning of the command line

CTRL+K: Delete the cursor to the end of the command line

Ctrl+l: Clear Screen

Ctrl+w: Quickly delete a word from the current cursor

Ctrl-a: Move to the beginning of the line

CTRL-E: Move to end of line

Ctrl-u: Delete to the beginning of the line

Ctrl-k: Delete to end of line

Ctrl-arrow (Ctrl + arrow): One word to move a word

CTRL-SHIFT-T: Create a new tab page

CTRL-PGUP/PGDN: Page UP or down

Ctrl-shift-c: Copy Selected content

Ctrl-shift-v: Paste the selected content

This article is from "Egg Fish" blog, please be sure to keep this source http://zhongguiyao.blog.51cto.com/11712990/1854242

Command-Line Basics