Showing posts with label Windows. Show all posts
Showing posts with label Windows. Show all posts

Tuesday, August 9, 2011

How to Re-Enable Task Manager,System Restore,cmd,run,Registry? Fixed

Hi friends, today i faced a problem.  A virus attacked my XP. I was unable to use Task Manager, System Restore,cmd,run,Registry.

This malware disabled important windows features(task manager, system restore,.......)

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Friday, July 15, 2011

How to Clear/Flush DNS cache in Linux/Windows/Mac Os?

If a website newly registered in internet world, it may not be loaded in your computer.  For example, you register for yesterday, still you may not see your web page. This is problem of DNS cache.  Your local DNS cache is old one so it won't know the newely available domain names.  Sometime you may update the NS records of your domain to point to new hosting service.

In these case you have to clear or flush cache in your computer.

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Tuesday, April 19, 2011

why can not we create con folder in windows?

A Reason Behind the Con Folder Creation in Windows

We all know that we can't create Con, Folder in windows. not only con but also " PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9 and more".

Here i am going to explain why you can not create the con folder in windows.


We can not create folder with con,aux, nul because these are reserved keywords used by DOS. so if u r allowed to create such folders, there will be an ambiguity in where to write data when the data is supposed to go to the specified devices. In other words, if i want to print something, internally what windows does is -- it will write the data to the folder prn (virtually u can call it a folder, i mean prn, con, etc are virtual folders in device level). So if we are able to create con folder, windows will get confused where to write the data, to virtual con folder or real one.

Keywords and Their corresponding Functions:
Reserved KeywordsFunction
CONKeyboard and Display
PRNSystem list device, usually a parellel port
AUXAuxiliary Device,usually a serial port
NULBit-Bucket Device
A:-Z:Drive Letter
COM1First Serial communications port
COM2Second Serial communications port
COM3Third Serial communications port
COM4Fourth Serial communications port
LPT1First Parallel printer port
LPT2second Parallel printer port
LPT3Third Parallel printer port

But we can create con folder using this Trick:
How to Create Con Folder using Command Prompt?

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How to Create Con Folder in windows using Cmd?|Computer Tricks

we all know that can't create con folder in windows.  Read this article to know why is it not possible to create con folder?

Here is simple trick to create con folder in windows using Command Prompt.

Step 1:
Open Command Prompt(Start->run->cmd)
Step 2:
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List and save the directory's name in text file|Computer Tricks

The Fastest Way of searching the directory in windows-Computer Tips

This computer trick will save the all sub directory and file names in text file.  This may helpful to analyse the direcotry(you can know what are the contents inside the window without browsing by simple commands).

Step 1:
First of all open command Prompt.
Step 2:
Browse to folder which you want to analyze the sub directories and files by using cd commands. For Example if you want to visit d:/interview folder then
try this command.
Type "d:"
then "cd interview".
Step 3:
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