How to Enable Auto Complete in Command Prompt ( cmd )

Log on as Administrator

Click Start, and then click Run (or press Winkey+R)

Type `Regedit` and click OK (or press Enter)

Double click HKEY_LOCAL_MACHINE

Double click SOFTWAREDouble click Microsoft

Double click Command ProcessorIn the right pane of Regedit, double click the 'CompletionChar' DWORD value

Type 9 click OK (9 is the ASCII number of the Tab character)

Close RegeditRun command prompt and enjoy.

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How to Change Time Using Commad Prompt

Well ever wondered how you can change time shown in the system tray using command prompt? If so, try this.
>Open "Command Prompt". (Start->Run, then type in cmd)

>Type in the word "time".To change the time enter the new time desired. An example would be 5:45 pm.

>To enter this time type in 5:45:00 PM.To change the date you enter date in the command prompt. You then enter the date separated by /. (ex 8/20/2008)

Hit enter.

Check the result. The system's time and date should now have been changed using command prompt.

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Perform Personal Online Chat with Command Prompt (no chat software needed)

If you want to do personal chat and if you want to be secure enough that your chat conversation wont get saved anywhere you can prefer chatting with command prompt.For this you don't need to download any yahoo messenger.All you need is your friends IP address and Command Prompt.
Firstly, open Notepad and enter:
@echo off
:A
Cls
echo MESSENGER
set /p n=User:
set /p m=Message:
net send %n% %m%
Pause
Goto A
Now save this as "Messenger.bat". Open the .bat file and in Command Prompt you should see:
MESSENGER
User:
After "User" type the IP address of the computer you want to contact.
After this, you should see this:
Message:
Now type in the message you wish to send.Before you press "Enter" it should look like this:
MESSENGER
User:27.196.391.193
Message: Hi
Now all you need to do is press "Enter", and start chatting!

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