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 “ start ”,
stay “ Search for programs and files ” Medium input cmd
Click Open cmd program ：
Each of the functions described below is in cmd Enter the corresponding command character in and press enter .
1. see Windows edition
input winver, press return , You can view the operating system version of your computer .
my Windows 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. Open on-screen 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 , The computer is convenient for the blind or the blind . 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 magnifying glass can be set .
5. Hide file
such as , I want to hide D The next file name on the disk is woyaocangqilai Documents , Right here cmd Medium input ：
attrib +s +a +h +r d:\woyaocangqilai
After pressing enter , This file is hidden , Others can't see it . Since I can't see the file , How do I open the file myself ?
It's simple , Also in cmd Enter the command in to display the hidden file ：
attrib -s -a -h -r d:\woyaocangqilai
After pressing enter , The hidden file is again D The dial shows . So the key is , You should remember the file name of the hidden file , That's how it works cmd Get it back .
6. watch “ Star Wars ” animation
First enable Windows of Telnet function ：
control panel - program - turn on or off Windows function -Telnet client
Then in cmd Medium input telnet towel.blinkenlights.nl
press return , Wait a minute , You can see 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 .
In timing 60 Second shutdown , It's not time yet , Can enter shutdown -a Cancel shutting down the computer
input shutdown -r, press return , Restart after shutdown .
You can enter each of these instructions into cmd Experience it in , I won't take screenshots one by one .
8. Prevent others from turning on your computer while you are away
utilize cmd Automatic shutdown command , When others turn on your computer while you are away , It will shut down automatically .
First step , open “ Notepad ”, Enter the following instructions in Notepad ：@ color 4f
echo Delete computer C All files on disk ......
ping -n 2 127.1>nul
echo Delete computer D All files on disk ......
ping -n 2 127.1>nul
echo Delete computer E All files on disk ...... ping -n 2 127.1>nul
echo. Trojan horse maker ：***( It's confidential, of course ) o(∩_∩)o...
echo. This is a Trojan horse program ...... All the information has been transmitted *****@163.com
shutdown /s /t 60
echo. There's no time . I'm going to flash ..88, I'll contact you after installing the system ..
Then save as suffix .bat Documents .
Put this again bat Add file to startup item .
The specific steps are ：
- Click start - function
- input gpedit.msc-
-windows set up -- script ( start-up / Shut down ), double-click “ start-up ”
- add to - browse
Select the file you just saved bat file , Click OK
Restart your computer and see what happens ~
Can see , As soon as you turn on the computer system, you will be reminded 60 Shutdown in seconds , So no one else can play with your computer , What about yourself ?
It's simple , After you turn it on, you just need to cmd Medium input shutdown -a, The command of timed shutdown will be cancelled .