Fun CMD command line~

cmd Refers to the command line prompt , yes Windows A command line program that comes with the operating system . We can use cmd Do something fun .
open cmd Program
Click on “ Start ”,
stay “ Search for programs and files ” Input in cmd
Click on the open cmd Program ：

1. see Windows edition
   Input winver, press return , You can view the operating system version of your computer .
   my Windows The version is win7, So the next instructions , If the display on your computer is invalid , It may be caused by different versions of the operating system .
2. Turn on the onscreen keyboard
   Input osk, Press enter to open the on-screen keyboard
3. Open screen “ teller ”
   Input narrator, press return , Can open screen narrator . Narrator is a utility that converts text into speech , It is convenient for the blind or people with poor eyesight to use the computer . The narrator can read what is displayed on the screen ： Contents of the active window 、 Menu option or key user typed text .
4. Open the magnifying glass
   Input magnify, Press enter to open the magnifying glass of the screen . The style of the magnifying glass can be set .
5. Hidden files
   such as , I want to hide D The next file on the disk is named woyaocangqilai The file of , It's just cmd Input in ：
   attrib +s +a +h +r d:\woyaocangqilai
   After pressing enter , This file is hidden , People can't see it . Since I can't see the file , How do I open the file myself ？
   It's simple , It's also in cmd The hidden file is displayed by entering the command in ：
   attrib -s -a -h -r d:\woyaocangqilai
   After pressing enter , The hidden file is in D The dial shows . So the key is , You should remember the file name of the hidden file , That's how it works cmd Find it .
6. watch “ Star Wars: ” Animation
   First enable Windows Of Telnet function ：
   Control panel - Program - Turn on or off Windows function -Telnet client
   And then in cmd Input in telnet towel.blinkenlights.nl
   press return , Just a moment , You can see that DOS edition “ Star Wars: ”：
7. Automatic shutdown and restart
   Input shutdown -s, press return , You can turn off the computer
   Input shutdown -s -t 60, press return ,60 Seconds will shut down the computer .-t The following number represents the number of seconds to turn off the computer , It can be defined as shutdown after any time .
   At the right time 60 Seconds off , It's not time yet , You can enter shutdown -a Cancel shutting down the computer
   Input shutdown -r, press return , It can restart after shutdown .
   You can enter each of these instructions into cmd Let's experience , I won't take screenshots one by one .
8. Prevent others from opening your computer while you are away
   utilize cmd Automatic shutdown command , When someone turns on your computer while you are away , It will shut down automatically .
   First step , open “ Notepad ”, Enter the following instructions in Notepad ：

@ color [email protected] offecho  Delete computer C All the files on the disk ......ping -n 2 127.1>nulecho  Deleted echo.echo  Delete computer D All the files on the disk ......ping -n 2 127.1>nulecho  Deleted echo.echo.echo  Delete computer E All the files on the disk ...... ping -n 2 127.1>nulecho  Deleted @ colorecho.echo. =========================================echo.  Trojan horse maker ：***（ Of course it's confidential ） o(∩_∩)o...echo. =========================================echo.echo.  This is a Trojan horse program ...... All information has been transmitted to  *****@163.comshutdown /s /t 60echo. echo.echo.echo.  There is no time . I'm going to flash ..88,  I will contact you after installing the system ..Pause

Then save as a file with the suffix .bat The file of .
Let's put this bat Add file to startup item .
The specific steps are: ：
- Click Start - function
- Input gpedit.msc-
-windows Set up – Script （ start-up / To turn it off ）, double-click “ start-up ”
- add to - Browse
Select the just saved bat file , Click ok
Restart your computer and see what happens ~
You can see , As soon as the computer system is turned on 60 Seconds later , So other people can't play with your computer , What do you do yourself ？
It's simple , After starting up, you just need to cmd Input in shutdown -a, The command of timed shutdown will be cancelled .