How to unhide files in a folder

1. Enter into command prompt by clicking into Accessories->Command Prompt
2. Enter into select drive by typing the drive letter:
3. Then type "attrib -a -s -h -r /s /d /l" without semicolon.
4. Your problem is solved

How to find the IP or MAC address of a computer

Every computer has unique IP and MAC address. So let us know how to find the IP and MAC address of a computer.........

In Windows XP

1. Click on start
2. Click on run
3. Type cmd
4. Type ipconfig/all
5. IPv4 address gives the IP address of your computer
6. Physical address gives the MAC address of your computer

In Windows Vista/7/8

1. Click on start
2. Go to all programs
3. Click on accessories
4. Click on Command Prompt
5. Type ipconfig/all
6. IPv4 address gives the IP address of your computer
7. Physical address gives the MAC address of your computer

c programs asked in interviews

Recently I have goggled about programs asked in interview....and I found this website where both questions and answers were given

for c programs asked in interviews

there are several sites  1) click here 
                                  2) click here


For complete details on C visit here