Linux Learning--bash

Bash:

1. Command history, Command completion

2, Pipeline, redirect

3. Command aliases

4. Command line editing

5. Command line expansion

6. File name Wildcard

7. Variables

8. Programming

command-line editing:

Cursor Jump:

CTRL + A: Skip to the beginning of the command

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

Command history:

View command history: Historical

-C: Empty command history

-D OFFSET [n]: Delete command at specified position

-W: Save the Command history to the history file

Environment variables

Path: Command Search Path

Histsize: Command history buffer size

The use of command history tips:

!n: Executes the nth command in the command history;

!-n: Executes the reciprocal nth command in the command history;

!: Executes the previous command;

!string: The most recent command in the command history that starts with a specified string

!$: References the last parameter of the previous command;

Linux Learning--bash