Linux Learning Notes-basic commands, shortcut keys, and understanding virtual machines

Virtual machines
[[email protected] desktop]$ rht-vmctl start Desktop # # #开启
Starting desktop.
[Email protected] desktop]$ rht-vmctl View Desktop # #显示
[[email protected] desktop]$ rht-vmctl stop Desktop # #正常关闭虚拟机
[Email protected] desktop]$ rht-vmctl poweroff Desktop # # #强行关闭

[[email protected] desktop]$ rht-vmctl reset Desktop # # #重置虚拟机
[Email protected] desktop]$ rht-vmctl fullreset Desktop # # # #完全重置


Gnome-terminal gnome:linux System Desktop Terminal: Terminal


Not list-----> username:root--------->passwd:redhat



############################ #shell ############################
What is a shell? Interpreter for protecting the kernel.
Bash (Bource again shell) is a shell of many types, is the Bourne shell extension, feature-enhanced version.
[Email protected] desktop]$ gnome-terminal # # #用命令开启bash
[[Email protected] desktop]$ Exit # # #关闭当前的shell

[Email protected] desktop]$
Kioks # #开启shell的用户
@ # #分隔符
Foundation0 # #主机的短名称, which means the shell is open on that console.
Desktop # #表示你在系统的什么位置
$ # #身份提示符中的普通用户, the Super user's prompt is: #


################## #切换用户 #################
[[email protected] desktop]$ Su-the user name # # # already exists in the system #切换用户身份



##################### #虚拟控制台 ###################
CTRL+ALT+F2-F6 # # #进入虚拟控制台
ctrl+alt+f1| F7 # # #回到图形



################### #在shell中如何使用命令 ###################
1. Commands must be entered after the prompt
2. How to enter the command
Command parameter target
Parameters are specified for the command function
-Parameter # # # #单词的缩写
--Parameter # # # #单词的全拼
3. Help
Command--help
"Content" # # #内容选加
< content > # # #内容必加
Content ... # # #内容个数任意
4.
CTRL +c # # #撤销未执行的命令



############################# #gnome中的常规操作 ###########
1.login
For GUI
For text

2.
ctrl+alt+ | Down # # # #切换工作界面

3.
Ctrl+alt+l # # #锁屏

4.
Shell Open Mode
Right Jian
Applications--> commonly used---->shell
Set shortcut keys Gnome-terminal

5. System New Initialization
Shutdown
Poweroff|init 0|shutdown-h now ###-h power off
Restart
Reboot| Init 6 |shutdown-r Now ###-r restart after shutdown


############################## #简单命令 ########### #33
Date

Watch-n 1 Date # #监测date命令每秒钟执行一次
-N Interval time
-D Change where highlight

Date Month month every day hour minute. seconds seconds # #更改时间


passwd

passwd Username # # #更改用户密码 (only Superuser root can)

passwd # # #普通用户修改自己的密码

Ordinary users can only modify their own password, and must know their original password, the change password must be greater than 8 bits, can not be duplicated with the original password characters

Passwd-l Username # # #冻结普通用户
Passwd-u Username # # #解锁冻结帐号



File # # #查看文件类型

Cat file name # # #查看文件所有内容到文件的最后, displayed to the current terminal
Less file name # # #查看文件所有内容从文件的开始, press Q to exit
Head-Digital file name # # #文件内容前多少
Tail-Digital file name # # #文件内容后多少

Wc-l # # #行数
-C # # #字节数
-M # # #字符数
-W # # #单词数
-L # # #显示最长行的长度


TAB key
File names, commands, and command parameters that exist in the system

#################### #历史调用 #################
! Number # # #执行第多少条命令
! keyword # # #执行最近一条以关键字开头的命令
ctrl+r+ Keyword # # #调出最近一条含有关键字的命令
Up and Down keys # # #从最后一条命令开始向前查看或者向后查看
History # # #查看历史
HISTORY-C # # #清除历史

##################### #快捷键 ###################
CTRL + A cursor moves to the beginning of the line
+ e cursor moves to end of line
+ u cursor position deleted to beginning of line
+ k cursor position deleted to end of line
+ R to bring up the most recent command with a keyword
+ left | Right cursor moves in Word units
+ C undo to enter the command
+ D Close the current environment
+ SHIFT + t # #在现有shell中重新打开一个table
+ SHIFT + pageup|pagedown Toggle Table
+ ALT + L lock screen
+ ALT + up | down switch Work interface
+ ALT + F1|F7 into the graphical interface
+ ALT + F2-f6 into Virtual Console

This article is from the "12148275" blog, please be sure to keep this source http://12158275.blog.51cto.com/12148275/1896940

Linux Learning Notes-basic commands, shortcut keys, and understanding virtual machines