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First knowledge of Linux

Source: Internet
Author: User
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• Recognize the command line

  2. Line prompt

    Open a shell, where Kios represents the user name of the open shell; @ is the delimiter: Foundation is the name of the host used by the user; $ is the identity prompt, $ represents a normal user, #表示超级用户.

    Note: Commands are only written after the line prompt to be executed by the system.

  4. Turn on the virtual machine

    The RHT-VMCTL represents the Redhat-virtual machine control, which is the very name of the VM. Start-Open the virtual machine, view-displays the virtual machine, poweroff-shuts down the virtual machine.

    [[email protected] desktop]$ rht-vmctl start Desktop # # #开启desktop虚拟机

    Error:desktop not started (is already running) # # #报错, Desktop is already running

    [email protected] desktop]$ rht-vmctl view Desktop # # #显示desktop

    [email protected] desktop]$ rht-vmctl poweroff Desktop # # #关闭dekstop

    Powering off desktop.

Two • Basic operation of the command line

    1. Switching between users

      Switch between the normal user and the super user.

    2. Help with Commands

      (1) whatis+ command

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      (2)--help

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3. How to use the system

(1) Open the shell

3) Start bash

Applications>utilities>terminal

right mouse button----->open in terminal

Gnome-terminal

Ctrl+shift+n # #在新窗口中打开shell

ctrl+shift+t # #同一个窗口中打开新的tab

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Exit: Exit | Ctrl+d

(2) Shutdown and restart of the system

There are three ways to restart and shut down your system in the shell: Reboot/poweroff init 6/init 0 shut down-r/shutdown-h

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(5) Lock screen

Ctrl + Alt +l # #在rhel7.0

win key + L # #在rhel7.2

4. Simple system commands

(1) Watch


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(3) Date

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(3) passwd

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4) file-View File types

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(5) Cat

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(6) WC


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(7) tab

(8) Usage of history

Linux shortcut key 650) this.width=650; "Src=" Https://s4.51cto.com/wyfs02/M01/07/96/wKiom1nMGJCQaPqCAAAWzrKarM4978.png-wh_ 500x0-wm_3-wmp_4-s_1058619182.png "title=" screenshot from 2017-09-28 01-36-42.png "style=" float:left; "alt=" Wkiom1nmgjcqapqcaaawzrkarm4978.png-wh_50 "/>

around # #一个字符一个字符移动

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Ctrl + around # #一个字一个字移动

Ctrl + A # #光标移动到行首

+ e # #光标移动到行尾

+ u # #光标所在位置删除到行首

+ k # #光标所在位置删除到行尾

+ r+ Keywords # #调出最近一条含有关键字的命令

+ C # #撤销以输入的命令

+ D # #关闭当前环境

+ L # #清空屏幕

+ SHIFT + C # #复制

+ SHIFT + V # #粘贴

+ SHIFT + t # #在现有shell中重新打开一个table

+ SHIFT + N # #在shell中打开一个新的shell

+ SHIFT + Pageup|pagedown # #切换table

+ ALT + L # # Lock Screen

+ ALT + top | down # #切换工作界面

+ ALT + F1|f7 # #进入图形界面

+ ALT + F2-f6 # #进入虚拟控制台


First knowledge of Linux

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