How to create virus in c?

Create simple virus by c programming language.

(Only for study purpose)

• WAP to shutdown the window operating system.
  

Answer:

Step 1: Write the following program in TURBO C.

void main (void){

system("shutdown -s");

}

Step 2: Save the above file. Let file name is close.c

Step 3: Only compile the above program.

Step 4: Now close the turbo c compiler and open that directory in window operating system where you have saved the close.c (default directory c:\tc\bin)

Step 5: Double click on its .exe file (close.exe)

After some time your window operating system will shutdown.

Try it but don't take it in funny purpose.