Thursday, February 16, 2012

How to Remove “Earlier Version Of Windows"

In Earlier Posts We've Showed You Different Ways To Recover Or Restore Windows From Grub. In This Post We Tell You  a Way to Remove Earlier Versions Of Windows In fact Not Just Windows You Can Also Remove Unnecessary Boot Entries Which got Stucked in Boot Menu.

If You Have Windows 7 and Other Versions Of Windows like Vista and Xp On Your Computer ,In Case You Still Kept Xp For Playing Or Using Applications which Can't run Or Require Classic Xp Platform To Run.But When The Time Comes When You No Longer Need Earlier versions Of Xp (Fact is Windows Is Not Going To Release Updates For Xp in From 2013.) You Can Remove Those By Following This Tip.

Recently I installed Windows 8 Developer Preview in Dual Boot Mode With Windows 7. After Checking in it I Felt Like Its Too Early To jump into Windows8. I'm not Ready For Change. I Want To Go Back To My Old Windows 7 . I No Longer Need Windows 8 in My Boot Menu. I Somehow Removed Windows8 But I Could Not Get Rid of The Option in Boot Menu .
After Googling For Some Time i Found A Way To Remove the Unwanted OS Versions On The machine With just Following a Simple Command.

Here is A way to Remove "Earlier Version Of Windows" Or Other Unused OS. Before Going into Play Be Careful Do not Delete The Os Marked Current Other Wise You'll Be Lost.

Step1: Boot into Your Windows Version Which You Thinking To Keep.

Step2 : Open Command Prompt(As Administrator) And type Command BCDEDIT. 

You'll See A list Of Operating Systems Existing On The Machine. The Screen Would be Something Like Below.
Step3 : Identify The Boot Entry You Want to Get Rid Off.

in The Above Pic I Have Windows Developer Preview On Partition G which I no Longer Require. 

Step3 : Now Type  bcdedit /delete {Identifier} /f

Here Type the Identifier Name of Your Boot Entry.

For Ex: bcedit /delete {f124c033-fcd0-11e0-b137-f48146bd2213} /f

And Hit Enter.

After Few sec You'll see a Message "The operation Successfully". 

Monday, February 13, 2012

GATE 2012 CS Question Paper and Key

Hello Everyone !! 

Here is The Question Paper of GATE-2012 Conducted On 12 Feb 2012. 

View.. Download

Click Here For Key. ( Key Was Provided By Ace Academy).

Wednesday, February 1, 2012

How to Set Classpath for Java on Windows Unix and Linux

In Last Post We Have'seen "How To Set Path For Java in Different Environments".Here is A Post On Setting Class Path.Before Going Into it . First What is ClassPath? Already We Set Path ? is'nt Sufficient ? What's The difference Between Path and Class Path.

 PATH: is a system variable used to tel to OS all locations of exec files. 
CLASSPATH: Is Pure java variable, which is used to tel locations of all jar/zip(classes) files to Compiler.It is Used To Locate User Defined Classes.It Tells  the Java compiler and the Java runtime where to find compiled classes.
For Ex: If We Want To Use Java Database Connectivity Drivers Or Servlets etc We Need To Specify This.

Setting Up Java Class Path in Windows :

1.Right Click My Computer-->Properties

2.Click on Advanced System Settings

3.Click on User Variables

4.Click New And Now Specify The Your environment variable CLASSPATH and put the value of your JAVA_HOME\lib 

5.Save it.

6.We Are Done.

Setting Up CLASSPATH In Linux:

In Linux you can Do This Simply By typing CLASSPATH="your classpath" in Terminal. 

Here Select The Path from either your .bash_profile or .bashrc script which will run whenever you login into your Linux or Unix Machine.