Learning Note one: Linux basics

A text editor

Two common commands

2.1 History

2.2 Bash

CTRL + a jump to the beginning of the command line

Ctrl+e

Ctrl+u

Ctrl+k

Ctrl+left Arrow

Ctrl+r

2.3 Help pinfo

Pinfo Cat

/usr/share/doc

Three-File system

Ext4

Xfs

Btrfs

Gfs2

Four-Regular expressions

* Any string of 0 or more characters.

? Any single character.

~ The current user ' s home directory.

~username user username ' s home directory.

~+ the current working directory.

~-the previous working directory.

[ABC..]

[[: Alpha:]]

[[: Lower:]]

[[: Upper:]]

[[: Idgit:]]

Five inputs and outputs

Standard input 0

Standard Output 1

Standard error 2

>> file 2>&1

Find/etc-name AAA >/tmp/output 2>/tmp/error

Six-process Management

1. Status: R,s,d,k

2. View process Status

PS aux

3. Background operation and foreground operation

CTRL + Z

Jobs

Bg

4.kill process

Kill-l Viewing signals

Three service

4th Log Analysis

Five networks

This article is from the "Ruffian Cook actor" blog, please be sure to keep this source http://chenwei.blog.51cto.com/32183/1841957

Learning Note one: Linux basics