CHECK IN ANY MOBILE IMEI NUMBER
To check IMEI (International Mobile Equipment Identity) of any mobile,

On the main screen type *#06#

Information you get from the IMEI
XXXXXX XX XXXXXX X
TAC FAC SNR SP

TAC = Type approval code of your Nokia Mobile
FAC = Final assembly code of your cell phone
SNR = Serial number of your Nokia Phone
SP = Spare

LOCK/HIDE YOUR PERSONAL FOLDER
To lock a folder in Desktop Computer windows XP without any software. Follow the steps below and do the following:
1. Make a Folder in C drive rename it as xyz
2. Now open Command Prompt from Start Menu.
3. Type attrib +s +h C:\xyz and press enter.
4. This command will Make your folder invisible and it can not be seen even in hidden files and folders.
5. To make it visible again type "attrib -s -h C:\xyz"
You can lock any other folder also by changing the location C:\xyz to address of your folder.